In 1911, the Dutch physicist Heike Kamerlingh Onnes cooled a thread of mercury to 4.2 kelvin in a bath of liquid helium and its electrical resistance vanished completely, and a current set circulating in a superconducting loop like that will still be flowing years later, indistinguishable from the day it beganJuly 24, 2026
In a Milwaukee workshop in the 1870s, Christopher Latham Sholes spent years rearranging the keys of his mechanical Type-Writer so that commonly paired letters sat far apart, ensuring the metal typebars would swing from different directions and not jam mid-wordJuly 23, 2026
How PSLF Buyback Amounts Are Calculated Passive Income January 17, 2026 Key PointsThe PSLF Buyback program lets borrowers retroactively earn credit for past deferment or forbearance months by paying what they…
