Though this thing looks like a giant drill bit, I think it's actually a helical conveyor belt to carry dirt away from the cutting head and poop it out the back.
Also, video.
SOMA Nature Walk: "Long Slow Screw on a Hot Spring Night" Edition
Tags: firstperson, perversions, photography, robots, sf
Location: 37° 46' 48.00" N, 122° 23' 54.60" W
Current Music: Miranda Sex Garden -- Wheel ♬
3 Responses:
"Though this thing looks like a giant drill bit, I think it's actually a helical conveyor belt to carry dirt away from the cutting head and poop it out the back."
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High tech from classical Greece: Archimedes's screw!
And yes, that seems to be a band and an album name already.
Looks like a big lightsaber...