20 GHz LNB Testing and Teardown
https://hackaday.com/2024/12/27/20-ghz-lnb-testing-and-teardown/

Many things have combined to make very high-frequency RF gear much more common, cheaper, and better performing. Case in point: [dereksgc] is tearing apart a 20 GHz low-noise block (LNB). …read more (https://hackaday.com/2024/12/27/20-ghz-lnb-testing-and-teardown/)

Lathe Gears Make a Clock
https://hackaday.com/2024/12/27/lathe-gears-make-a-clock/

When you think of making something using a lathe,  you usually think of turning a screw, a table leg, or a toothpick. [Uri Tuchman] had a different idea. He wanted …read more (https://hackaday.com/2024/12/27/lathe-gears-make-a-clock/)

Playing Around with the MH-CD42 Charger Board
https://hackaday.com/2024/12/27/playing-around-with-the-mh-cd42-charger-board/

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 took …read more (https://hackaday.com/2024/12/27/playing-around-with-the-mh-cd42-charger-board/)

Creating a Mechanical Qubit that Lasts Longer Than Other Qubits
https://hackaday.com/2024/12/27/creating-a-mechanical-qubit-that-lasts-longer-than-other-qubits/

Experimental
sequence for the Ramsey-type phonon anharmonicity measurement. (Credit: Yu Yang et al., Science, 2024)
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/11/phonon_anharmonicity_mechanical_qubit_yu_yang_science_2024.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/11/phonon_anharmonicity_mechanical_qubit_yu_yang_science_2024.jpg?w=800">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 of an …read more (https://hackaday.com/2024/12/27/creating-a-mechanical-qubit-that-lasts-longer-than-other-qubits/)

FallingWater Clock Puts New Spin on a Common LCD
https://hackaday.com/2024/12/27/fallingwater-clock-puts-new-spin-on-a-common-lcd/

Sometimes, all it takes is looking at an existing piece of tech in a new way to come up with something unique. That’s the whole idea behind FallingWater, a gorgeous …read more (https://hackaday.com/2024/12/27/fallingwater-clock-puts-new-spin-on-a-common-lcd/)

Building a 3D Printed Phone Handset with Mil-Spec Style
https://hackaday.com/2024/12/28/building-a-3d-printed-phone-handset-with-mil-spec-style/

In general, military gear is designed to be rugged and reliable. A side effect of this is that the equipment usually has a distinct visual look that many people find …read more (https://hackaday.com/2024/12/28/building-a-3d-printed-phone-handset-with-mil-spec-style/)

A Low-Cost Spectrometer Uses Discrete LEDs and Math
https://hackaday.com/2024/12/28/a-low-cost-spectrometer-uses-discrete-leds-and-math/