this post was submitted on 30 Mar 2026
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Researchers develop ground-penetrating 'Wi-Fi' tech with 100m range — magnetic induction method could help reach those trapped or lost underground (www.tomshardware.com)
submitted 2 days ago by Sunshine@piefed.ca to c/technology@piefed.social
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[–] dgriffith@aussie.zone 9 points 2 days ago

This was done 20 years ago with magnetic loop antennas for mining, there is nothing particularly revolutionary here.