Hello everyone! It's time to experiment! We are sure you like it as much as we do. Today we're gonna play with a wonderful metal called gallium. And make cool figurines from it! This metal turns into liquid at around 30 degrees Celsius! First we melt the gallium and then heat it in hot water, to make it nice and melted! Squeeze gallium into Lego figures mold with a syringe. There's no need to hurry, guys! We want our figurines to look like real Lego Men! All we have to do is to move the mold a l

How to Make Hydraulic Powered Robotic Arm from Cardboard Slime Sam finds it hard to believe that water has great power. Drops of water are so small, what can they do? But Sue explains about hydraulics - a science that studies the properties of water and other liquids and their uses in people's life. Sam wants to see it in action. Sue tells him that even one cup of water can lift a bottle and builds an incredible robotic arm that is controlled by special levers and moves without electricity. Do y