Below are some very “brain-damaging” but extremely interesting facts that schools did not teach us, they have no order at all. If teachers shared these things when we were in school, we would surely be impressed.
1. Water can boil and freeze at the same time.
This is called the “triple junction point,” which occurs when the temperature and pressure are just right for the three phases (gas, liquid, and solid) of a substance to coexist in thermodynamic equilibrium.
2. Laser can get stuck in waterfall
Incredibly, this is not only an amazing example of total internal reflection, but also shows that fiber optic cables can direct the flow of light.
3. The egg looks like a jellyfish underwater
A cracked egg on land would result in a shapeless mass of goo. But 18 meters below sea level, the pressure on the egg is 2.8 times that of the atmosphere, which would help keep the egg intact as if it were still in its shell.
4. You can prove the Pythagorean theorem with liquids.
Without going the way your teacher taught you a 2 +b 2 = c 2 , you can easily prove the Pythagorean theorem with liquids as illustrated in this illustration.
5. What happens when a black hole swallows a star?
When a star is sucked into a black hole, the powerful plasma jets that emerge from this process can reach hundreds of thousands of light-years in length. “As the star is torn apart by the black hole’s gravity, some of the star falls into the black hole, while the rest is ejected at extremely high speeds,” said researcher Suvi Gezari at Johns Hopkins University.
6. You can see this without glasses
According to MinutePhysics, all you need to do is make a pinhole with your hand, which will help focus light onto your retina. It may not give you 20/20 vision, but it can help you a lot if you don’t have your glasses with you.
7. How is the human face formed?
Embryonic development is incredibly complex, and scientists have only discovered a tiny fraction of it. But a study has shown how the folds that form the human face in the womb form. In fact, the human face doesn’t just appear and grow. In the first few months of pregnancy, the face develops in separate, separate parts, then “fits” together like a puzzle.
Of these, the mouth area is “joined” last, and this is also the reason for the formation of the philtrum – the groove between our nose and mouth.
8. Cats always land on their feet.
Smarter Every Day demonstrated this through a slow-mo scene, cats always use their very flexible bodies, they twist their bodies to adjust their posture when falling – an innate ability called the “twisting reflex”.
9. You will survive better on land than underwater when a grenade explodes.
See those bubbles? Imagine what would happen to your lungs if there was an explosion near you underwater?
10. If you spin a ball and then release it, it will fly.
The ball flies thanks to the Magnus effect, which occurs when the air on the front side of a rotating object moves in the same direction as its rotation. Meanwhile, the air on the other side of the object moves in the opposite direction, so the air streams are separated.
In the above example, there are two air currents acting on the ball. The air moving in the direction of the ball’s rotation will increase its speed and carry the ball along, while the air moving in the opposite direction of rotation will exert a force on the ball, causing it to fly away.
