When you accelerate in a car, the seat you are sat in pushes you forwards, with the result that you feel like you are being ...

Compressed helium tanks aren’t permitted on planes in the United States. Although helium is non-flammable, large compressed ...

Maybe it was the idea of reducing emissions in the air travel sector, or maybe just the private jet-style interior, but I ...

It’s pretty easy to take a balloon, fill it up with helium, and send it up in to the upper atmosphere. It’s much harder to keep track of it and recover it when it falls back to Earth.

Cracker question because helium balloons are actually a pretty controversial topic. Some people argue that they are harmful to the environment because on returning to Earth, animals mistake them ...

A helium-filled balloon is tethered at Flyger’s Hut ... and black carbon from the lowest layers of the atmosphere—lower than an airplane can fly safely. This story appears in the September ...

It takes 90 minutes to an hour to fill a weather balloon with helium or hydrogen, get it fitted with a sensor, then ready it for launch making sure the radiosonde doesn’t drag on the ground ...

DALLAS (AP) — A large balloon used by U.S. Customs and Border ... The hull of the aerostat consists of an upper chamber filled with helium, and the lower chamber is a pressurized air compartment.

It takes 90 minutes to an hour to fill a weather balloon with helium or hydrogen, get it fitted with a sensor, then ready it for launch making sure the radiosonde doesn’t drag on the ground ...