used before a singular noun to mean one of a group, when it is not a particular one
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
move forward, also in the metaphorical sense
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
air-shipverb
transport (cargo) by air
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
(quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
ambitiousadjectiveUS /æmˈbɪʃəs/
having a strong desire for success or achievement
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
used to join words or parts of a sentence that go together
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
at the same time that; because; in the way that
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
enter or assume a certain state or condition
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
beenauxiliary verbUS /bɪn/
the past participle of “be”
From this reading No, the great problems have not all been solved.
take something or somebody with oneself somewhere
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
used to introduce something that contrasts with what came before
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
unvarying in nature
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
cause to herd, drive, or crowd together
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
an urgent or peremptory request
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
discoveriesnounUS /dɪˈskʌvəriz/
plural of “discovery” — the act of discovering something
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
used to form questions and negatives, and to give emphasis
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
doesauxiliary verbUS /dʌz/
the form of “do” used with he, she, it, or a singular noun
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
the 3rd planet from the sun; the planet we live on
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
electricadjectiveUS /ɪˈlektrɪk/
using or providing or producing or transmitting or operated by electricity
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
enableverbUS /eˈneɪbəl/
render capable or able for some task
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
to a complete degree or to the full or entire extent (“whole” is often used informally for “wholly”)
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
ExperimentsnounUS /ɪkˈsperəmənts/
plural of “experiment” — the act of conducting a controlled test or investigation
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
be afraid or feel anxious or apprehensive about a possible or probable situation or event
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
FixingnounUS /ˈfɪksɪŋ/
the act of putting something in working order again
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
any substance that can be metabolized by an animal to give energy and build tissue
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
intended to be given to, or used by, somebody
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
to or at a greater extent or degree or a more advanced stage (“further” is used more often than “farther” in this abstract sense)
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
yet to be or coming
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
relatively large in size or number or extent; larger than others of its kind
From this reading No, the great problems have not all been solved.
haveauxiliary verbUS /hæv/
used with a past participle to form the perfect tenses
From this reading No, the great problems have not all been solved.
humanadjectiveUS /ˈhjuːmən/
characteristic of humanity
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
inside something, or within a place, period, or state
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
increasesnounUS /ɪnˈkriːsəz/
plural of “increase” — a quantity that is added
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
intelligentadjectiveUS /ˌɪnˈtelədʒənt/
having the capacity for thought and reason especially to a high degree
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
intoprepositionUS /ˈɪntuː/
moving to the inside of something
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
inventionsnounUS /ˌɪnˈvenʃənz/
plural of “invention” — the creation of something in the mind
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
INVENTORnounUS /ˌɪnˈventər/
someone who is the first to think of or make something
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
inventorsnounUS /ˌɪnˈventərz/
plural of “inventor” — someone who is the first to think of or make something
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
the form of “be” used with he, she, it, or a singular noun
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
a boy or man
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
a characteristic state or mode of living
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
machinerynounUS /məˈʃiːnəri/
machines or machine systems collectively
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
marvelsnounUS /ˈmɑːrvəlz/
plural of “marvel” — something that causes feelings of wonder
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
mechanicsnounUS /məˈkænɪks/
the branch of physics concerned with the motion of bodies in a frame of reference
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
(comparative of “much” used with mass nouns) a quantifier meaning greater in size or amount or extent or degree
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
motornounUS /ˈmoʊtər/
machine that converts other forms of energy into mechanical energy and so imparts motion
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
change location; move, travel, or proceed, also metaphorically
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
a condition requiring relief
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
NitrogennounUS /ˈnaɪtrədʒən/
a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
not any; not one
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
Nobbe
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
used to make a word, phrase, or sentence negative
From this reading No, the great problems have not all been solved.
belonging to, or connected with, somebody or something
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
used to mean any person in general, including the speaker
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
used to join alternatives or possibilities
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
belonging to the speaker and others
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
(plural) any group of human beings (men or women or children) collectively
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
being complete of its kind and without defect or blemish
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
a fundamental feeling that is hard to define but that people desire to experience
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
a full supply
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
populationnounUS /ˌpɑːpjəˈleɪʃən/
the people who inhabit a territory or state
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
a state of difficulty that needs to be resolved
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
problemsnounUS /ˈprɑːbləmz/
plural of “problem” — a state of difficulty that needs to be resolved
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
someone who is a member of the faculty at a college or university
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
any competition
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
with speed
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
the cognitive process of understanding a written linguistic message
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
recentadjectiveUS /ˈriːsənt/
new
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
revolutionising
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
a particular branch of scientific knowledge
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
scientistnounUS /ˈsaɪəntɪst/
a person with advanced knowledge of one or more sciences
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
scoresnounUS /skɔːrz/
a large number or amount
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
perceive by sight or have the power to perceive by sight
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
primarily temporal sense; indicating or being or seeming to be limited in duration
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
solutionnounUS /səˈluːʃən/
a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
solveverbUS /sɑːlv/
find the solution to (a problem or question) or understand the meaning of
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
solvedadjectiveUS /sɑːlvd/
explained or answered
From this reading No, the great problems have not all been solved.
steam-engine
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
telegraphnounUS /ˈteləɡræf/
apparatus used to communicate at a distance over a wire (usually in Morse code)
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
telephonenounUS /ˈteləfoʊn/
electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
used to introduce what somebody said, thought, or felt
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
the people or things already mentioned, as the object
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
in or at that place or location
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
any movable possession (especially articles of clothing)
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
used before the base form of a verb to make the infinitive
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
to-day
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
the speaker and others, as the object of a verb or preposition
From this reading The further we advance in science and mechanics the further we see into the marvels of our wonderful earth and of our life, and the more there is for us to do.
the speaker together with one or more other people
From this reading We have the steam-engine, the electric motor, the telegraph, the telephone, the air-ship, but not one of them is perfect, not one that does not bring to the attention of inventors scores of entirely new problems for solution.
used to introduce a clause giving more about a thing just mentioned
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
used to talk about the future, or about willingness
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
extraordinarily good or great; used especially as intensifiers
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.
exert oneself by doing mental or physical work for a purpose or out of necessity
From this reading As population increases and people become more intelligent there is a constant demand for new things, new machinery which will enable the human race to move more rapidly and crowd more work and more pleasure into our short human life.
a late time of life
From this reading THE INVENTOR AND THE FOOD PROBLEM _Fixing of Nitrogen--Experiments of Professor Nobbe_ No lad of to-day, ambitious to become a scientist or inventor, reading of all the wonderful and revolutionising discoveries and inventions of recent years, need fear for plenty of new problems to solve in the future.