Inventors & scientists

What did Nikola Tesla, the inventor known for his work on electricity, claim to be intensely afraid of?

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Answer explanation

Tesla had a peculiar phobia of pearls. He reportedly couldn't bear to be in the same room with them and even sent his secretary home for wearing pearl jewelry.

Which famous scientist was known for napping with a steel ball in hand to boost creativity?

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Answer explanation

Edison used to take naps holding a steel ball. He believed that as he drifted to sleep, his grip would relax, the ball would drop, and the noise would wake him up, capturing ideas at the edge of consciousness.

Which inventor is famous for creating a musical instrument played without being touched, named after him?

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Galileo Galilei, the famous astronomer, was also an accomplished

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Sir Isaac Newton, famous for his laws of motion, also had a lesser-known passion for:

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Answer explanation

Isaac Newton was deeply interested in alchemy and wrote many works on the subject, a fact often overshadowed by his scientific achievements.

Ada Lovelace, often credited as the first computer programmer, was also the daughter of a famous:

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Answer explanation

Ada Lovelace was the daughter of Lord Byron, the famous poet.

What did Sir Isaac Newton reportedly invent while trying to solve the problems of astronomical observations?

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Answer explanation

It's belivied that Sir Isaac Newton, while working on his experiments, invented the cat flap to prevent his own cats from disturbing his light experiments by constantly opening the door.

The first practical dishwasher was invented by Josephine Cochrane in 1886. What motivated her to create this invention?

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Answer explanation

Josephine Cochrane invented the first practical dishwasher because she was tired of her servants chipping her fine china.

Which lifesaving device was invented by Garrett Morgan after he witnessed a severe carriage accident at an intersection?

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Answer explanation

Garrett Morgan, an African American inventor, was inspired to create a precursor to the modern traffic signal after seeing a collision between an automobile and a horse-drawn carriage.

George de Mestral, inspired by burrs sticking to his dog's fur, invented what now-common fastener used in everything from shoes to space suits?

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Answer explanation

George de Mestral got the idea for Velcro after noticing how burrs would stick to his dog's fur during walks. This observation led to the creation of the hook-and-loop fastener, now widely used and known as Velcro.