Minimum height to loop the loop using conservation of energy. This video explains how gravitational potential energy converts into kinetic energy and why a precise starting height is required to ...

'Tis the season to deck the halls and let's be merry, right? If you're looking for a spot to find the perfect Christmas tree, here are some Central Illinois tree farms and other vendors to consider.

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Apple has been working on a foldable iPhone for multiple years now, and we've been hearing rumors for more than a decade. Information is ramping up, and it looks like we're going to see Apple release ...