m3t00🌎@lemmy.worldM to science@lemmy.worldEnglish · 8 个月前Nuclear fusion reactor in South Korea runs at 100 million degrees C for a record-breaking 48 secondswww.livescience.comexternal-linkmessage-square258fedilinkarrow-up1837arrow-down113file-textcross-posted to: futurology@lemmy.ml
arrow-up1824arrow-down1external-linkNuclear fusion reactor in South Korea runs at 100 million degrees C for a record-breaking 48 secondswww.livescience.comm3t00🌎@lemmy.worldM to science@lemmy.worldEnglish · 8 个月前message-square258fedilinkfile-textcross-posted to: futurology@lemmy.ml
minus-squareSlopppyEngineer@lemmy.worldlinkfedilinkarrow-up29arrow-down1·8 个月前 just think the conditions of stars/the sun Hotter than the sun. The sun has an enormous gravity pushing things along. To compensate we use more heat.
minus-squareLumisal@lemmy.worldlinkfedilinkarrow-up4·8 个月前I thought we used magnetrons and such, and the excessive heat was due to current inefficiency and control of the fusion process in containing the heat and it building up higher and higher.
minus-squareSlopppyEngineer@lemmy.worldlinkfedilinkarrow-up7arrow-down1·8 个月前The heat is needed so atoms collide enough to fuse without the high pressure inside a star. The trick is keeping the reaction going.
Hotter than the sun. The sun has an enormous gravity pushing things along. To compensate we use more heat.
I thought we used magnetrons and such, and the excessive heat was due to current inefficiency and control of the fusion process in containing the heat and it building up higher and higher.
The heat is needed so atoms collide enough to fuse without the high pressure inside a star. The trick is keeping the reaction going.