human for scale
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isabel
@isabel@chaos.social
mastodon 4.6.90 Followers
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Joined November 12, 2022
Twitter & bsky:
@beamshift
website:
beamshift.net
Just a card rack… except it’s floating at 200kV
TIL a liquid metal ion source (LMIS) can be converted into a field emission electron source: rapidly turn off an operating ion source to freeze the Taylor cone into a solid pointy tip and reverse polarity of high voltage. https://doi.org/10.1116/1.584459
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@sen@hachyderm.io that’s so accurate haha I love how components just get bigger, rounder, and shinier as you go to higher voltages
Correcting stigmation in a scanning image is a fun trick but you haven’t really experienced aberrations in an electron probe until you’ve seen a Ronchigram
The skeuomorphism of making the valves look like LEDs on a panel, then the evolution to illustrating each type of valve… it’s that special JEOL touch
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ready to go back in service except not because I ordered the wrong resistors so I have to swap them again
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@0x09@hachyderm.io interesting theory, that is indeed the orientation that the board operates in! airflow over that area of the board is pretty poor in general because of a big bundle of cables
it’s Tubesday! nvm it’s water line wednesday
the online version of microsoft word is truly horrendous and unusable beyond even my lowest expectations
@hackerfriendly@mas.to giant spaghetti pile of tubes is just out of frame. But spaghetti on the wall > spaghetti on the floor!
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@vesen@chaos.social power supply for the electron source for a transmission electron microscope!