A spectrometer is a pretty common lab instrument, useful for determining the absorbance of a sample across a spectrum of ...

While they are dying out, you can still find incandescent bulbs. While these were once totally common, they’ve been largely ...

We’re covering two weeks of news today, which is handy, because the week between Christmas and New Years is always a bit slow ...

When ships moved from muscle- and wind power to burning coal and other fossil fuels for their propulsion, they also became ...

Who would’ve thought a cheap AliExpress emergency light could be packed with such crafty design choices? Found for about $5, this unit uses simple components yet achieves surprisingly ...

In general, military gear is designed to be rugged and reliable. A side effect of this is that the equipment usually has a ...

When you think of making something using a lathe,  you usually think of turning a screw, a table leg, or a toothpick. [Uri ...

Mattmopar] figured out how to get a white Christmas even if the weather isn’t frightful. He built a simple DIY snow making machine with a few plumbing parts, and tools you probably already ...

Among the current challenges with creating quantum computers is that the timespan that a singular qubit remains coherent is quite limited, restricting their usefulness. Usually such qubits consist ...

If you’ve ever worked with adding lithium-ion batteries to one of your projects, you’ve likely spent some quality time with a TP4056. Whether you implemented the circuit yourself, or ...