Is it possible for something very cold … to be boiling? Can a balloon deflate and re-inflate by itself? Is it possible for a hovering object to lift 70,000 times its own weight? Approaching “absolute zero” (the lowest temperature of the universe, -273 ° C), we study phenomena in … -200 ° C! Using liquid nitrogen, we explore a new, strange, and very cold world, we freeze hot water, flowers, balloons, and even … biscuits that we taste! In the end, we put a superconductor to “fly” over several powerful magnets!