Each week, we spotlight a cool innovation recommended by some of the industry's top tech writers. This week's pick is a computer the size of a credit card.
The Raspberry Pi 4 is a "computer the size of a credit card" that might be capable of replacing your desktop, said Scott Gilbertson at Wired. It's the fourth iteration of the Raspberry Pi, which was first released in 2012 as a bare circuit board, "intended as one part educational device, one part tinkering tool." But it became a phenomenon "used to power everything from scaled-down Mars rovers" to school science experiments, and spawned countless imitators.
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