Last limit...That humans (almost) can't cross.

5 POINT

Last limit...That humans (almost) can't cross.

1.Heat barrier 42 ° C:

This is the "ripe protein" point in the human brain. If the body temperature reaches this level, the brain cells begin to change permanently, like a boiled egg that cannot be restored, causing acute organ system failure and immediate death.

Reference Source: Scientific American - How hot is too hot for the human body?

2. G-force limit 46.2G:

John Stapp, the American test pilot, is a man who endures centrifugal force at 46.2 times the height of Earth's gravity. This force can cause broken bones or viscera, but he survived with a ruptured eye vein and temporary blindness.

Reference Source: NASA - John Stapp: The Fastest Man on Earth

3.11 A Day Without Sleep:

The longest sleep deprivation statistic is about 264 hours. After 3 days, the brain begins to create hallucinations and loses severe emotional control. Scientists believe that sleep deprivation longer than this can lead to brain death due to lack of removal of accumulated toxins.

Reference Source: Healthline - How Long Can You Go Without Sleep?

4. 5 sievert radiation ceiling:

Humans can receive a small amount of radiation, but if they receive five Sieverts in one dose, the chance of survival is only 50% because the radiation destroys the bone marrow and gastrointestinal tract so that the body cannot restore itself.

Reference Source: NRC - Biological Effects of Radiation

5. Maximum speed of 40,000 km / h:

This is the speed that humans (Apollo 10 astronauts) used to move the fastest in history. Humans actually endure unlimited speed as long as acceleration is constant, but the real limit is the "friction" that will turn their bodies into ashes if they move too fast in the atmosphere.

Reference Source: Guinness World Records - Fastest speed attained by humans

"Humans may seem fragile...But we always find a way to push our own limits further. "

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