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
‘He didn’t seem very alert’: Our CPA said we owe the IRS $443, but we’re actually due a refund of $637. Do we fire him? Personal Finance March 28, 2026 “We’re both concerned about the accuracy of our returns.”
