Things I currently own: Binoculars (2) Telescope Digital thermometer IR thermometer 2 scales (coarse, fine) Rulers, protractors, tape pH strips Pendulum clock kit I need to build Multimeter (on the way) Soil moisture sensor Level Stud finder Shopping list Digital microscope
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Got my money's worth out of this bad boy just poking and checking if frozen food has reheated properly in the microwave.
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Mighty gadgets
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when I was a kid had a photometer that looked kinda like this (I googled "vintage photometer"), it seemed magical how the dial would move by pointing it to light sourcespic.twitter.com/2u1CwZKpDw
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I visited telephone exchanges as a child before they were fully digitised. They were like massive libraries with stacks and stacks (mostly wooden) shelving filled with wires and circuit boards, and a sliding ladder / staircase to access them.
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funnily enough, a wrist-worn stop-watch is really handy at many points in the day. The cheapest options are a Casio F91W: https://www.amazon.com/Casio-F91W-1-Classic-Resin-Digital/dp/B000GAWSDG/ …, but you'd do well with G-Shock solar: https://www.amazon.com/dp/B002OS0FLA/ref=cm_sw_em_r_mt_dp_P1fmFb795PXWP …
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Or install a chronograph watch-face on apple watch.
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Metal ruler with cork backing
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