prototype

Not your average ergonomics paper - and just the kind of delightfully oddball idea: a prototype for a UVC light-equipped shoe rack that doesn't just store shoes but sterilises them.

But the company only rolled out 20 or 30 prototype taxis this year, in Austin, Texas, with human drivers behind the wheel.

At an unveiling event for a prototype of the self-driving Tesla Cybercab last year, Musk expressed lofty ambitions for the future.

I didn’t really seem like the prototype for it, but then, lo and behold, the tape made it up there.

Engineering company Thales then turned the idea into a working prototype, with 35 units given to Homeless Project Scotland to use in Glasgow.