When you inflate a balloon, nearly all the rubber stretches... a lot! As the rubber stretches, it gets a lot thinner too. But the dark spot at the top, and the area around the knot are not ...
When a charged object such as a rubber balloon is brought close to a fine stream of a polar liquid, the stream is attracted toward the electrical charge. If the same charged object is brought close to ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback