I’m in need of a high-voltage, low current DC power supply temporarily for an experiment in the lab, prices for these from the usual suppliers run into the hundreds of pounds. Given that all (all but the very best ones anyway) they consist of is a string of diodes and capacitors in a Cockcroft-Walton configuration, …
Category Archives: science
Easier said than done
I spent most of this afternoon attempting to attach two pieces of 0.25 micron Teflon tape to some larger Teflon blocks while wearing low-friction gloves. It wasn’t easy.
Elegantly dressed Wednesday – Me
Lately, I spend much of my working day the cleanroom, well , either of two cleanrooms. Room-A is a pretty basic cap and gown type affair – the room isn’t really clean (class 100,000 to 10,000 depending on how often used; more usually high than low), the kit is really there to control access (limited …
A foreign invader for EDWT
These bank holidays screw up your sense of time… I meant to post this on Wednesday. The small smudge towards the middle of the leaf is my non-traditional entry for EDW this week. Here is a zoom so we can really see the beauty of this little foreign invader. This is Eupteryx decemnotata a Southern …
A good scientist takes care of his optics…
I, on the other hand, managed to dissolve two of mine today. Ok, they were both unknown quantities that had been rescued from a junk pile years ago and left to gather dust at home. Today I remembered them and took them to work to see if they’d be any use. A quick blast from …
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