Procedure • Blow up your balloon (this is the part that’s like filling a rocket engine with fuel) and pinch the opening with your fingers to keep the air inside. (Don't tie it off.) ...

The rocket would have three stages, he says, but the whole thing need weigh only 13,500 lbs., and it could be carried up 15 miles by a plastic-film balloon of 3,000,000-cu.-ft. capacity (180-ft ...

Space flight enthusiasts talk confidently about trips to the moon, but so far no rocket, even an unmanned one, has climbed more than 0.25% of the distance—about 600 miles, unofficially credited ...

High-altitude surveillance balloons are not the same as satellites, which are launched into space by rockets. Satellites also orbit at much higher altitudes than balloon-powered devices.

Although the balloon’s ascent through the atmosphere takes about an hour, the actual launch can be as quick as 10 to 15 min. “With a balloon, you’re peacefully bringing the rocket up to ...

A solar-powered balloon mission detected a repeating infrasound noise in the stratosphere. Scientists don't know what is making it. Scientists have detected sounds high in Earth's atmosphere that ...

When each balloon reached its maximum altitude of about 100,000 feet (30,480 m), the rockets fired through the balloon. Each Far Side rocket carried a scientific payload of three to five pounds (1.4-2 ...

Primary school pupils investigate which model car design is faster; one propelled by an elastic band around the axel, or a balloon-powered car which doesn't directly power the wheels.