NASA's Antarctic Impulsive Transient Antenna (ANITA) experiment was designed to detect high-energy cosmic particles.

Water molecules are so attracted to each other that even after the balloon pops, the water molecules stay together keeping the shape of the balloon. The circles in this drawing represent water ...

If the temperature of a gas is increased, the particles move faster, so they hit the walls of the container more often. This causes the pressure to increase. Partially inflate a balloon ...