The presidential limousine has been a feature of U.S. presidents for decades. Nicknamed “The Beast,” this black limo has some pretty amazing features. From bulletproof windows to an oxygen supply, this marvel of technology is phenomenal.

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The universe is full of mysterious and amazing cosmic things. But, one of the most infamous is black holes. These incredible pieces of the universe are quite literally the most massive things ever. They can grow to astonishing sizes that your brain might not even be able to fathom.

Setting up dominoes so you can knock them down later is incredibly satisfying. It's become even more prevalent with the internet, as people build incredibly complex designs just for the views. Well, our favorite engineer decided to build a robot that could do it faster and more efficiently. Watch as it breaks the world record.

In today’s world, it's easy to overlook the fact that at any time we can go to a grocery store and choose from tens of thousands of products. If we want an apple, we have 10 different choices. If you want chicken, you can pick any type of cut. This hasn’t always been the case, and the way supermarkets make this possible is truly amazing.

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