The idea of stretching a rubber band to make it hotter, then releasing it to make it cooler seems a bit counter intuitive. Normally when things get smaller (like a gas being compressed ...

We call these materials elastic, like rubber bands. You can change the ... from old food and drink cans to make new ones. Hot air balloons change shape as they fill up with air, once the air ...

The process of making elastic rubber bands starts with raw rubber being heated and mixed with strengthening agents. It is then rolled into sheets, cut into tubes, and stretched before being sliced ...