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
BP to halt stock buybacks as profit slumps Personal Finance February 10, 2026 BP said it was halting stock buybacks as the oil and gas giant said it wanted to rebuild its balance…