Blinded by the light…

So the SI unit for “brightness” (this isn’t exact, roll with it) is the lux and you can measure it with lightmeters (or a lightmeter app on your smartphone if you live in 2017). A really dark and stormy overcast day is around 100 to 200 lux as is your typical home lighting (my kitchen table, for example, sees 140 lux as I’m sitting here). Sunrise or sunset is around 400 lux. A well lit office can be anything up to around 500 lux. Noon on a typical cloudy Irish day is around 1000 to 2000 lux.

Earlier today, I hooked up the third LED T8 in the shed (the one I fitted yesterday):

At my workbench, the lightmeter now reads 2400 lux.

It’s now brighter inside my shed than it is outside my shed at noon on most Irish days.… Read the rest

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Thermomorph

So I came across this goop watching Crimson Guitars recently (I don’t want to build guitars, I just find the woodworking part fascinating while finding the music part kinda meh).

Basically, take this plastic (which comes in little balls like styrofoam packaging), put a few tablespoons into hot water (60C/140F is where the magic happens) and it goes from hard white solid to transparent goop. Fish it out of the water with a spoon, give it a second or two to cool down so you can hold it without third-degree burns to your fingertips, and now you have something similar to mala (or plasticine or playdough or silly putty or whatever you grew up with); only when it cools down, whatever shape it’s in it sets up hard in.… Read the rest

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