this post was submitted on 22 Jun 2023
11 points (100.0% liked)
flashlight
2946 readers
2 users here now
Portable illumination
Rules:
- Be excellent to each other
- Don't be the reason we need to make more rules
Related:
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
It's very small particles of magnetic material that can be used to make bigger magnets of arbitrary shapes. They also make some kind of special resin that can be mixed with this stuff, allowing magnets to be injection molded.