Heat

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Articles about Heat

1,098 published items.

How big is the dinosaur?
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How big is the dinosaur?

The secret of the incredible size of giant dinosaurs may be that this reptile uses more energy for growth than keeping the body warm compared to other animals.

December 18, 2018
The secret of diamonds
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The secret of diamonds

More than a billion years ago, deep underground, tremendous heat and extremely high pressure worked out the diamonds that people exploit today.

December 18, 2018
37oC - Why?
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37oC - Why?

One strange thing is that among more than 6 billion people on earth, each person has its own characteristics different in height, weight, age, gender ... and different e…

December 18, 2018
Why do we tremble when cold?
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Why do we tremble when cold?

Your body needs to maintain a constant temperature at 36.9 degrees Celsius. To avoid hypothermia and other consequences of coldness, your brain will keep a close eye on…

December 18, 2018
Where is the limit of human endurance?
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Where is the limit of human endurance?

When diving 18 degrees Celsius, the body loses heat through the skin 25 times faster in the air. The vascular surface shrinks to focus on the internal organs and maintai…

December 18, 2018
Eggs know 'speak'
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Eggs know 'speak'

At supermarkets in the UK, in the coming months, there will be a

December 18, 2018
Why does the fan feel cool?
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Why does the fan feel cool?

When fanning the fan, we chased away the hot air in the face and replaced it with cold air. By the time this new gas layer heated up, it would be replaced by another lay…

December 18, 2018
Why touching the cold metal?
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Why touching the cold metal?

When winter hits a metal object, it feels cold to touch a piece of wood even though their temperature is the same. That's because metals conduct heat better than wood: t…

December 18, 2018
How hot can we stand?
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How hot can we stand?

Human heat resistance is much better than we thought. In central Australia, summer temperatures in shady areas are usually 46 degrees Celsius, peaks up to 56 degrees. An…

December 18, 2018
Why can water stop firing?
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Why can water stop firing?

The problem is simple, but not everyone has the correct answer to this question. Here is the explanation of physicist Ia. I. Perenman.

December 18, 2018