Airplane mode was never just about planes: it combines a 1991 FCC network rule with an FAA interference rule dating to 1961July 29, 2026
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 began Saving Tips July 24, 2026 Drop a small ring of superconducting metal into a bath of liquid helium, nudge a current through it, and remove…
When Cingular chief Stan Sigman backed the original iPhone before its 2007 unveiling, he accepted terms American carriers usually refused: no logo on the device, no control over its software, no preloaded apps, and a share of monthly subscriber revenue flowing back to Apple, after signing on without seeing a prototype Saving Tips June 10, 2026 Cingular signed on to sell the original iPhone before its executives had seen a working prototype, then gave Apple the…
