Watch this quick and mind-blowing elastic band trick that'll leave everyone amazed! In just a few seconds, you’ll see how to ...

Materials that can do this are called “elastic”. Elastic materials are useful in lots of ways: Similar to how tires and sneakers grip the road, a rubber band can help you grip the lid of a jar to make ...

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which takes that rubber tree sap and makes an elastic band into the main fuel source for the battery, which weighs about 200 pounds and is the size of a large suitcase. “When the battery is ...