glitchflaw t1_izh3jfp wrote
Reply to comment by elathan_i in US researchers have created metamaterials that move in response to ultrasound. They say it could provide a mechanism for movement in robots that would not require them to have an onboard power source. by lughnasadh
“Onboard” is the key word here
checkssouth t1_izjol5p wrote
mothership and hive of wiggly blades?
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