Technology 16 April 2020 By David Hambling Steel parts made from powder and a laser in a high-speed 3D printerCredit: U.S. Army photo by David McNally A giant, high-speed 3D printer is producing large ultra-strong steel components and weapons for the US Army. It may also have applications outside of the military. The prototype printer,…
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Taking care of your heart can feel like a tomorrow problem. After all, strain on the organ often piles up stealthily, plaque building in your arteries or blood pressure ticking upward for years without noticeable symptoms—that is, until a serious issue strikes, and you wish you intervened yesterday. It’s the reason cardiologists suggest auditing your