Helium was non-flammable and thus a safer ... Credit: U.S. Air Force Project Excelsior was one of the Air Force's last high-altitude balloon experiments. Excelsior was a series of three high ...

The US Army is developing high-altitude spy balloons designed to track enemy stealth fighters beyond the reach of traditional ...

The balloon is filled with helium and a super-pressure ballast ... but these are still in stock READ THE FULL STORY:High-altitude balloon spotted over New Mexico ...

Wildland firefighters could have a new tool in their arsenal as they battle increasingly extreme wildfires: high-altitude ... The balloons, which are inflated with helium, float up to 70,000 ...

But people flew much earlier than that by using hot air balloons as well as gas-filled ... project to test multi-stage parachutes made for high-altitude ejections. This was dangerous testing.

It’s pretty easy to take a balloon, fill it up with helium, and send it up in to ... Tiny4FSK is intended to be a very small solution for high-altitude tracking. As you might have guessed ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the full text of this article in ...

Soon, a helium-filled balloon would carry each ... The group has launched more than 150 flights, using rockets, high-altitude balloons, and rockoons—rockets carried aloft by balloons and ...

One is that atmospheric pressure is dramatically reduced at high altitudes, so a helium balloon expands as it rises and eventually explodes. If you inflate a balloon beyond its limits at room ...

UNF students chose Perry as the site for a high-altitude weather balloon launch Saturday because the prevailing winds would bring the helium-filled balloon on a track back towards their campus in ...

Google’s Loon project aims to bring internet access to rural and remote communities worldwide, using an aerial wireless network of high-altitude, helium-filled balloons floating on the edge of ...

Description: Project ODDITY will design a system that can forcibly evacuate helium from the envelope of high-altitude balloons being utilized for the Hypersonic Flight In the Turbulent Stratosphere ...