1, the celebrity Hooke had nothing to do while grinding glass at home, and accidentally invented the microscope.

Watt observed that the boiling water was boiling. Invented the steam engine.

Darwin liked to collect minerals, shells and various insects when he was a child. He often goes to the wild to collect animal and plant specimens and has a strong interest in natural history. Later, he founded the theory of evolution, and the publication of The Origin of Species shocked the academic circles at that time.

Fulton, one day he went boating to play at sea. Tired of rowing, he sat by the boat to have a rest. Unconsciously, he felt the boat swimming. No paddling, very calm. Why can a boat swim? Fulton suddenly saw his feet in the water. Because he kept playing with his feet in the sea, he played the role of an oar, promoted the drifting of the ship and invented the ship.

Brother Wright, play with a flying butterfly that dad bought. Inspired the two brothers to make airplanes.