18 Cool Things Your School Teachers Never Taught You
By
Editorial Staff in
Facts
On 1st February 2017
School taught us many things that help us to understand the world around us. But how many of us remember math formulas? How many of us could understand what the teachers taught to us right away? And even sometimes after some repeated explanations. We can easily understand anything if we saw it in action, with a video demonstration.
So for your better understanding, we have found some cool school things in the form of GIFs and images that definitely amaze you.
#1 Three 90-degree angles in curved space
Now I understand why the earth is round.
#2 This would help you if you ever had trouble with the logic of parallel parking
#3 Physics is fun
They fire a soccer ball at 50mph with a cannon on a truck driving at 50mph in the other direction.
#4 What happens when you put on sun cream
Artist Thomas Leveritt set up an ultraviolet camera and viewing monitor
To show people what their skin looks like in the Ultraviolet light, when they put on sun cream.
#5 The difference between Earth’s axial tilts during winter and summer solstices.
Amazing!
#6 Real life demonstration of Pythagoras’ theorem: a2+b2=c2
Hence proved
a2+b2=c2
#7 The river changing its course over the years
Unfortunately, this is true.
#8 Best way to cut the rope
In case you ever find yourself in an emergency, here is a way to cut the rope.
#9 A slow motion of how dogs actually drink water
#10 If you are wondering how a key unlocks your door
#11 How braces change your teeth from crooked to perfect
#12 What happens when you squeeze an orange peel onto a candle flame
Try it!
#13 That’s why you don’t use water to put out the grease fire.
The grease splatters out into the air and the fire along with it.
#14 The development of human face in the womb
#15 This is how the cheetahs are perfect runners
They use their tails to reduce inertia every time they have to change direction.
#16 A male seahorse giving birth to as many as thousand seahorses
Difficult to believe.
#16 A perfect example of total internal reflection
The light gets reflected back into the water because the angle at which it touches the surface of the water is greater than its angle of refraction.
That is how optical fibers work too.
#18 A very interesting explanation for the value of pi. And that is how pi works
Now I understand why the value of Pie is 3.14.