This Digital Radio Gets Messages to the World’s Remotest Locations
Shortwave radios offer a way to connect one location on Earth to practically anywhere else with minimal infrastructure. But these radios come with s…
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Why NIST Researchers Spent 10 Years Measuring Gravity
Physicists have been trying to measure the fundamental gravitation al constant for well over two centuries. The current accepted value of big G , as…
Why the U.S. Uses Only Half of Its Grid Capacity
By most accounts, the United States appears poised to fall woefully short of meeting new electricity demand over the next five years as data centers…
What It Takes to Preserve Floppy Disks
Floppy disks are several decades old—many of the disks are degrading and the data stored on them is at risk of being lost. In response, Leontien Tal…