Balloons are often filled with helium, which has a lifting force of one gram per meter. It's possible to assemble enough balloons to lift yourself from the ground -- but how many balloons does it take? Tune into this HowStuffWorks podcast to learn more.
Mar 6
Deinonychus: The Dinosaur That Sparked a Renaissance
The discovery of Deinonychus, an agile theropod that may have hunted in packs, changed the way we think about dinosaurs -- and inspired 'Jurassic Park' to boot. Learn about Deinonychus and the real (smaller) Velociraptor in this episode of BrainStuff, based on this article: https ... Show More
8m 5s
Aug 2021
That Time People Rioted Over a Hot Air Balloon
<p>These days hot air balloons are often thought of as anachronistic novelties -- but in the early days of aeronautics, they were considered fascinating, dangerous and deadly. In today's episode, the guys explore a strange story about a genuine riot during the dawn of ballooning, ... Show More
34 m
Feb 2023
Up And Away In My Beautiful Spy Balloon
In early February, 2023, the US shot down a Chinese balloon. The US says the balloon was gathering intelligence while the Chinese claimed it was a weather balloon. We look at the history of spy balloons and how they've evolved over time, as well as the dilemma these balloons put ... Show More
49m 25s