air resistance
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Can ants survive if they fall from the roof of the building?
when an object falls freely from above, it will immediately fall below vertically due to the impact of the earth's gravity. but with the small ant, what will happen if it falls from the roof of the building? -
If shot, did you hear the first explosion or hit the previous bullet?
watch the race between the bullet and the sound to see which one is faster. -
Do you know, the reason golf balls have honeycomb shaped dents?
almost all of us have seen or touched our golf balls by hand and have noticed that their surfaces have very strange dents with a honeycomb-shaped structure. what is the reason they have this strange structure? -
Why can this man jump from 7,600 meters to the ground without parachutes
luke aikins - 42-year-old american, set a new world record by stepping out of the plane and falling freely from a height of about 7600m down a giant net 30 x 30 meters below without though. this is really crazy because only 1 mistake you will lose your life.