Lol , Without Clock , how do u come to know the time .
i Think now u understand why they are useful .
The person who created the first punch clock is Benjamin Banneker. Benjamin Banneker was an African American scientist who changed the world with his invention.
the full form of it is of the clock
o' clock
it meas the clock hand it meas the clock hand it meas the clock hand
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Invention of the pendulum clock
I think a yo-yo is a useful invention because kids can swing it and have fun!
There is a few inventions that are not very useful. The most known invention that is not useful is the toilet paper roller.
There are many useful inventions of science. The answers vary. Some believe the number one invention that is the most useful in science is the electric furnace. It was made in 1889. The electric furnace converted aluminum to metal that was very useful. Another invention that people considered the most useful invention of science are antibiotics. Antibiotics help cure many illnesses.
The invention of the phonograph was very important to society. The invention itself was very useful during the time of Edison and has impacted many similar inventions that have proved to be useful today.
metronome
A good invention is something that is very useful and needed by the consumer. Advancements in older inventions are always useful as well.
E=mc2 which are useful now in the battlegrounds
The light bulb is useful because it lights up places!
to make something useful
first mechanical clock with an hour hand
An invention is important due to its expressive creativity point and unique style of idea. An invention can be very useful once created or formed.