Superconductor up close (using SEM)

The scientific world is in turmoil. Room temperature superconductivity has been discovered.  Or so it seems.  A group of scientists from South Korea (Sukbae Lee, Jihoon Kim, Hyun-Tak Kim, Sungyeon Im, SooMin An, and Keun Ho Auh) published two pre-print (not peer reviewed...

Are you tired of the same old baking soda volcanoes and potato batteries at science fairs?   If you're looking to stand out from the crowd and impress the judges, it's time to get creative and think outside the box!...

Why do we need levitating trains? In order to move any object we need to invest energy and convert it to kinetic energy. Any object resists changes to its velocity depending on its mass. Heavier objects will require stronger forces...