Party Decoration - Rainbow Slinky - Makes Great Table Decoration
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NASA's New Titanium Airless Tires Are Nearly Indestructible
Stretch a Slinky toy too far, and eventually the metal coil will be warped so much it won’t be able to return to its original spring shape. That’s a problem also faced by the metal spring tires designed to roll across our Moon, and other planets our rovers are exploring. But NASA has created an alternative, made from titanium, that can tackle any terrain and always return to its original tire shape.
Slinky is one of the most enduring childhood toys. This toy was invented and developed by naval engineer Richard James in the early then demonstrated at Gimbels department store in Philadelphia, Pennsylvania in November