You've heard the concept of the "rat race," but how about a literal rat, racing through the hallways of Doom? One researcher named Viktor Toth ran an experiment over nearly six months, seeing if he could train a rat to run down a straight hallway in Doom by using a VR rig he built himself.
As Toth explained on Mindsoft, It took him about four months to build the VR rig for the rats, using a 3D printer, an iron, a drilling machine, and a set of screwdrivers. The main part of the rig is a large,
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