LEGO bricks might look simplistic, but did you know there’s an actual science behind their sizes? Enter LDUs — LEGO Draw Units — the minuscule measurement standard that allows those …read more (https://hackaday.com/2024/12/27/ldu-decoded-the-untold-tale-of-lego-dimensions/)

Do You Know Vail Code?
https://hackaday.com/2024/12/27/do-you-know-vail-code/

We talk about Morse code, named after its inventor, Samuel Morse. However, maybe we should call it Vail code after Alfred Vail, who may be its real inventor. Haven’t heard …read more (https://hackaday.com/2024/12/27/do-you-know-vail-code/)

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/