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Boosted by cstanhope@social.coop ("Your friendly 'net denizen"):
gregeganSF@mathstodon.xyz ("Greg Egan") wrote:
Extreme UV lithography for microchips is wild.
“Getting to EUV light with a wavelength of 13.5 nm requires a source ... around 200,000 °C.”
This turns out to involve laser-zapping tin droplets into exploding bursts of plasma, creating shock waves similar to those of supernovae.