Still Andrew (I guess) is a user on You can follow them or interact with them if you have an account anywhere in the fediverse.

If I understand this correctly, this is a paper about 3D printing physical objects, with no electronics, that send information over wifi.

ie, magic.

This is magic.

@ajroach42 Basically looks like they're printing RFID antennas and maybe using the internal resistance of the positions of the objects they print to convey data measurements?

Still Andrew (I guess) @ajroach42

@bastlynn the linked paper goes in to all the details, but it’s a little more complex than that, unless I really misunderstood how rfid works.