Think of creative way to solve the problem and work hard to make that solution possible.
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.
E=mc2 which are useful now in the battlegrounds
A good invention is something that is very useful and needed by the consumer. Advancements in older inventions are always useful as well.
The light bulb is useful because it lights up places!
to make something useful
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.
The discovery of fire and of the wheel were far more useful than the telephone!
it led to a good transportation and easier
Computer
The discovery of fire and of the wheel were far more useful than the telephone!