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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.
It's not just the time we've saved here. Think of people on insulin that have to take shots multiple times a day.
The medical implications of this are massive it is absolutely a game changer.
If it ever comes into fruition.
We'll have to wait and see how this impacts anything that needs to be injected deeper than skin level, which is why the focus is on vaccines.