18 Cool Things Your School Teachers Never Taught You
13 That’s why you don’t use water to put out grease fire. The grease splatters out into the air and the fire along with it!
Image source: NRK/youtube 14 The development of human face in the womb
Image source: BBC/youtube 15 This is how the cheetahs are perfect runners – they use their tails to reduce inertia every time they have to change direction. 
Image source: imgur 16 A male seahorse giving birth to as many as thousand seahorses. 
Image source: seahorsecrazy/youtube 17 A perfect example of total internal reflection. The light gets reflected back into the water because angle at which it touches the surface of the water is greater than its angle of refraction. That is how optical fibers work too. 
Image source: news.yahoo.com 18 A very interesting explanation for the value of pi. And that is how pi works!
Image source: imgur
15 This is how the cheetahs are perfect runners – they use their tails to reduce inertia every time they have to change direction. Image source: imgur 16 A male seahorse giving birth to as many as thousand seahorses. Image source: seahorsecrazy/youtube 17 A perfect example of total internal reflection. The light gets reflected back into the water because angle at which it touches the surface of the water is greater than its angle of refraction. That is how optical fibers work too. Image source: news.yahoo.com 18 A very interesting explanation for the value of pi. And that is how pi works!Image source: imgur
17 A perfect example of total internal reflection. The light gets reflected back into the water because angle at which it touches the surface of the water is greater than its angle of refraction. That is how optical fibers work too. Image source: news.yahoo.com 18 A very interesting explanation for the value of pi. And that is how pi works!Image source: imgur
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