floofloof@lemmy.ca to Technology@lemmy.worldEnglish · 11 天前Geologists doubt Earth has the amount of copper needed to develop the entire worldwww.earth.comexternal-linkmessage-square109fedilinkarrow-up1420arrow-down182
arrow-up1338arrow-down1external-linkGeologists doubt Earth has the amount of copper needed to develop the entire worldwww.earth.comfloofloof@lemmy.ca to Technology@lemmy.worldEnglish · 11 天前message-square109fedilink
minus-squareMisterD@lemmy.calinkfedilinkEnglisharrow-up4arrow-down1·11 天前Aluminum expands under electrical loads and the wires become loose. Loose wires are a fire hazard. The real solution is steel wire with a copper coating. Electricity flows on the outer region of wires anyhow.
Aluminum expands under electrical loads and the wires become loose. Loose wires are a fire hazard.
The real solution is steel wire with a copper coating. Electricity flows on the outer region of wires anyhow.