Henry Cavendish
Description: Henry Cavendish was the first scientist to test gravity in the laboratory. Thanks to the "Cavendish Experiment," we know how much Earth weighs!
Category: Janet's Planet
Note: This video streams on an HTML5 player. It runs on Chrome, Firefox, Opera, Safari or Internet Explorer 9 or higher. It is also optimized for iOS devices, including iPad, iPod, and iPhone.
Game Spotlight
Super Penguboy is ready for an exciting adventure! Equipped with his Snow Cannon 2000 and a trusty jetpack, our fearless hero must collect the coins and defeat the bad guys. Help the little penguin stop the enemies and navigate his way through tricky obstacles and traps. Can you solve all of the levels?