X-ray tubes, old and new, use high energy electrons that impact a metal to create the beam. Alpha and beta emission is from radioactive decay which is an entirely different phenomenon. But yes bathing your body in X-rays is bad for you
I do wonder whether this was actually an effective way to look for them. Even with modern high resolution x-ray imaging it may be difficult to see the contrast between soft tissues and diamonds since they’re both primarily carbon
the English versions of element names are mostly stolen from other languages anyway. Some were isolated before the theory of elements and atoms had been solidified, so they already had names in common use. All of the examples you listed for “ium” elements were only discovered in the last few hundred years
Looking around for trackers that do stl files and/or other stuff for 3d printing. Specifically I’m hoping for rpg minis and the like but if I can find a tracker that does printable objects, I’m happy to help start a mini community.
I just learned about this bill for 3D printer background checks. What a joke. Making your own plastic parts in the shape of a gun is not at all the same thing as actually building one from scratch. Yet another case of legislators knowing zero about the actual issues at hand, or purposefully avoiding them
I’ll go first: “You have to have children when you’re young,” told to me when I was in my late 20s, with no desire to ever have kids, and no means to support them, by someone divorced multiple times with at least one adult child who does not speak to them....
South African diamond miner being x-rayed at the end of his shift to prevent theft, 1954 (lemmy.world)
Ascention (mander.xyz)
cannot unhear (mander.xyz)
It can be shown that... (feddit.de)
deleted_by_author
Any trackers that do .stl files?
Looking around for trackers that do stl files and/or other stuff for 3d printing. Specifically I’m hoping for rpg minis and the like but if I can find a tracker that does printable objects, I’m happy to help start a mini community.
MIT device could free those with type 1 diabetes from insulin injections and pumps (www.techspot.com)
Modern blocks of C4 explosive come with the warning “poisonous if eaten” on the packaging (lemmy.world)
Those were the days! (mander.xyz)
chemists? (i.imgur.com)
Well well well (i.imgur.com)
Point taken (sh.itjust.works)
What is the most unhelpful advice you have received?
I’ll go first: “You have to have children when you’re young,” told to me when I was in my late 20s, with no desire to ever have kids, and no means to support them, by someone divorced multiple times with at least one adult child who does not speak to them....