Comment by TheOtherHobbes
2 hours ago
It doesn't work unless it does.
Until implies we're just waiting. Unless implies actual evidence, and - in medical procedures - some guarantee of safety.
SF6 plus ultrasound is used to open the blood brain barrier. So if you're pumping a lot of ultrasound into a brain and using a lot of SF6, there are already risks.
No comments yet
Contribute on Hacker News ↗