NASA’s Ingenuity helicopter has made history by flying on Mars. To celebrate the first flight of a copter on another planet, here’s a simple unpowered helicopter you can build at home!
Are you looking for a way to make your drawings look alive? Try this activity and make an awesome creepy face whose eyes follow you as you move around the room. By Mike McRae
Normally, when you blow on a piece of card, it flies away. But in this activity, you can blow to pull the card towards you with the science of air pressure!