Science

Why does water expand when freezing

571 Hits Vladimir Oct 24, 2021, 1:42 PM

We all remember that, according to molecular-kinetic theory, bodies expand when heated and contract when cooled.

Science

5 absurd ideas of great scientists

404 Hits Vladimir Oct 24, 2021, 1:20 PM

Science doesn't have to be boring. It can also be crazy!

Science

How did the Americans manage to land on the moon 50 years ago, if this is a problem for modern technology as well?

523 Hits Yaros Oct 24, 2021, 1:09 PM

Among the supporters of the lunar conspiracy hypothesis, one can very often find the argument that the level of technology...

Science

What happens if you take a breath on Mars?

501 Hits Yaros Oct 24, 2021, 1:08 PM

By itself, this question is devoid of any meaning, because the answer is obvious.

Science

Can you freeze in outer space?

529 Hits Yaros Oct 24, 2021, 1:08 PM

In fact, in the vacuum of space, heat transfer will occur extremely slowly, exclusively due to radiation.

Science

We will not fly anywhere from Earth without a "hyperdrive".

660 Hits Yaros Oct 23, 2021, 11:08 PM

Despite the fact that 60 years have passed since humanity entered the space age, progress in space expansion is very...

Science

If wood is lighter than water, why did wooden ships sink?

540 Hits sergey Oct 23, 2021, 11:06 PM

Previously, all ships were wooden, but this did not help them in a wreck.

Science

The amazing tree that Americans hide almost like aliens in Area 51

525 Hits Yaros Oct 23, 2021, 11:05 PM

It was in the 50s of the last century . Dr. Edmund Schulman fanatically crawled over the rocks of the...

Science

There were giant mushrooms on the ground that were taller than the trees

541 Hits sergey Oct 23, 2021, 10:51 PM

At the beginning of the Paleozoic era, land was dominated not by animals or plants, but by giant mushrooms.

Science

What space probes have discovered outside the solar system

570 Hits sergey Oct 23, 2021, 10:51 PM

In November 2018, after a 41-year voyage, Voyager 2 crossed the border beyond which the influence of the Sun ends,...