From Gizmodo: Latest DIY Destroyer Proves That the Slingshot Master Is Officially a Wizard

As you stretch a rubber band, it heats up. But as it cools down it actually loses some of the energy it stored when it was stretched. That means the longer a slingshot is left loaded, the less powerful it becomes. Unless you’re Joerg Sprave, the internet’s resident master of slingshot design, who discovered that simply reheating a stretched elastic band can restore up to 40 percent of its original powuh. More »

from Gizmodo

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