Farewell Magnetic Stripe | Hackaday

[ad_1] For decades, the magnetic stripe has been ubiquitous on everything from credit cards to tickets to ID badges. But the BBC reports — unsurprisingly — that the mag stripe’s days are numbered. Between smartphones, QR codes, and RFID, there’s just less demand for the venerable technology. IBM invented the stripe back in the early […]

Retro Computing: Old Tech, New Thrill

[ad_1] This article appeared in Make: Vol. 89. Subscribe for more maker projects and articles! Above: The author’s BBC Master 128 “microcomputer” with unique “mouse” input device, 1986 vintage. The appeal of looking back to our technological past is undeniable. The tech we use every day does not exist in a vacuum — it was […]

Open Source Liquid Rocket Reaches For The Sky

[ad_1] Since the very beginning, solid-propellants have been the cornerstone of amateur rocketry. From the little Estes rocket picked up from the toy store, to vehicles like the University of Southern California’s Traveler IV that (probably) crossed the Kármán line in 2019, a rapidly burning chunk of solid propellant is responsible for pushing them skyward. […]