Gas

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Articles about Gas

1,386 published items.

Structure and working principle of oxygen generator
Scientific application

Structure and working principle of oxygen generator

In the medical device field, an oxygen concentrator is a device with the function of enriching oxygen from the air (concentrating and increasing oxygen concentration) wi…

November 5, 2021
Tear gas - dangerous non-lethal weapon
Discover science

Tear gas - dangerous non-lethal weapon

Weapons such as rubber bullets, stun grenades or tear gas, even though they are called non-lethal weapons, can also be significantly dangerous.

June 14, 2020
We almost had the second Sun
Space science

We almost had the second Sun

Most star systems in the universe have two or three stars. However, the Solar System has only one star.

June 2, 2020