August 2023
Beginner
128 pages
5h 43m
English
Content preview from Make: Volume 86
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1. MAKE THE ELECTRODES
Electrodes were prepared by spot welding short
lengths of fine tungsten wire onto nickel wire
supports (Figure
A
). The electrode assembly
was cleaned thoroughly with a mix of nonpolar
solvents. After cleaning, the tungsten portion of
each electrode was brushed with a torch flame
and allowed to cool from a white heat. This forms
the surface oxide which wets to the glass and
allows us to form a vacuum seal. Any loose oxide
is rubbed off using a cotton swab.
2. WELD ELECTRODES INTO GLASS
I prepared a piece of common “33 expansion”
borosilicate glass tubing by heating it to softness ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.