An air-filled balloon cooled in liquid nitrogen will shrink. When warmed back up in air, the balloon re-inflates. Skilled individuals can make balloon animals to dunk in liquid nitrogen. Otherwise, ...

Try the frozen soda balloon trick with liquid nitrogen. Victor Davis Hanson explains why Judge Boasberg is the ‘most powerful man in America’ Box Office: ‘A Working Man' Hammers in $5.6 ...

Several pre-shrunk balloons are pulled from a single Dewar of liquid nitrogen and inflate back to their original size. Blow balloons up and tie off.. Tie string at top of balloon. Shrink balloons by ...