It turns out that ray tracing is actually possible on a 42 year old computer, if you're willing to wait 17 hours for each frame to load


We hear the term 'ray tracing' increasingly these days, one of the features almost synonymous with modern, best-in-class visuals. It is a rendering method that allows shadows and lighting to be portrayed in a more realistic, lifelike manner, and is included as a graphics option in many current generation games. Needless to say, this probably isn't the kind of technology you'd even dream of running on a 42-year-old computer.

However, it turns out that the trusty ZX Spectrum, released in 1982 by Sinclair Research, was capable all along, at least because of the mind behind it, Google Zurich senior software engineer Gabriel Gambetta. as seen hackaday (Via pc gamer), Gambetta shares how he managed to use the Spectrum's in-built programming language, Sinclair BASIC, to get the computer to produce a glowing, ray-traced frame.