How the Helium Balloon Tale Unfolded
The tale of the experimental helium air balloon ... is scared of punishment and does not want to be found,” he said. The balloon was drifting in winds approximately 20 miles an hour, but was never intended to go into the air, Mr. Nilsson said.
Up, up and away: Weather balloons fly to the frontlines of forecasting
The first step is to fill the balloon with helium until it is approximately six feet wide. A radiosonde—a device that will measure temperature, air ... “They’ve been launching these things long before I’ve been around,” Mitchell said. Weather ...
The physics of `Up' -- how many balloons would it really take to lift a house?
In Pixar's hit animated movie "Up," we see a cluster of between about 10,000 and 20,000 helium filled balloons lifting an old man's house off the ground. Is that even close to plausible? How Many Balloons ... mean that before then, they do not have ...
Launching balloons in Antarctica
They launch these huge payloads in Antarctica, but before that they send up smaller test balloons to make ... wanted to see how far it would go," says Millan. "But it was so far north that we were getting close to Australian air space and we had to cut ...
How far away is the horizon?
What does our situation look like? Well, it looks something like this: Now, take the square root of both sides, and voila! You get d. So now we have an equation that tells us how far away the horizon ... What if you go up even higher?