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Ultrasound can push vaccines into the body without needles
(www.newscientist.com)
This is a most excellent place for technology news and articles.
few inches closer to Star Trek
Better than Star Trek. Hypospray seems not to be painless.
https://www.youtube.com/watch?v=zK6Lbc1jid8
Here is an alternative Piped link(s):
https://www.piped.video/watch?v=zK6Lbc1jid8
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I'm open-source; check me out at GitHub.
Hyposound!