boem@lemmy.world to science@lemmy.world · 2 年前Antimatter falls down, not up: CERN experiment confirms theorywww.nature.comexternal-linkmessage-square64fedilinkarrow-up1355arrow-down11
arrow-up1354arrow-down1external-linkAntimatter falls down, not up: CERN experiment confirms theorywww.nature.comboem@lemmy.world to science@lemmy.world · 2 年前message-square64fedilink
minus-squareLanternEverywhere@kbin.sociallinkfedilinkarrow-up65·edit-22 年前You may have heard of a “PET scan” used in medicine. This uses a type of antimatter called a positron. https://bigthink.com/hard-science/positron-emission-tomography-antimatter-cancer/
minus-squarejoelthelion@lemmy.worldlinkfedilinkarrow-up6arrow-down1·edit-22 年前Just wait until you find out about MRI :)
minus-squarefloat@feddit.delinkfedilinkarrow-up6·2 年前That’s pretty awesome too, but they don’t need molecules with atoms that were modified using particle colliders just minutes/hours before you need them.
minus-squarejoelthelion@lemmy.worldlinkfedilinkarrow-up3·2 年前Still much more complex than PET conceptually, and much more versatile.
You may have heard of a “PET scan” used in medicine. This uses a type of antimatter called a positron.
https://bigthink.com/hard-science/positron-emission-tomography-antimatter-cancer/
The complexity behind this is fascinating.
Just wait until you find out about MRI :)
That’s pretty awesome too, but they don’t need molecules with atoms that were modified using particle colliders just minutes/hours before you need them.
Still much more complex than PET conceptually, and much more versatile.