Elon Musk and Jeff Bezos's friendly exchange marks a shift from their years-long feud, which has seen them compete fiercely in the space industry and frequently swap places as the world's richest ...

Many have pointed out that the success of Bezos' launch seemingly pits the two billionaires against each other, with both of them working towards lofty goals of privatizing the space industry.

Blue Origin's New Glenn, which could soon be in the running to fly National Security Space Launch missions, completed its first launch early Thursday morning. (Blue Origin) (Photo by Miguel J ...

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Memory foam, also known as viscoelastic polyurethane foam, is a slow-responding material that reacts to heat and pressure, allowing it to conform to the shape of your body. (Thus, it's often used ...