nature.com·4 min read·hard
Levitating sensor for magnetic fields could detect ultrafaint brain activity
S
Shenai, Dhruv
✦AI Summary
Physicists have developed a new magnetometer using a levitating magnet that is sensitive enough to detect faint brain activity. This device is simpler and more compact than existing technologies like SQUIDs or SERF magnetometers, as it operates at room temperature within a small vacuum chamber.
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