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/

A spectrometer is a pretty common lab instrument, useful for determining the absorbance of a sample across a spectrum of light. The standard design is simple; a prism or diffraction …read more (https://hackaday.com/2024/12/28/a-low-cost-spectrometer-uses-discrete-leds-and-math/)

Let it Snow with a sub $100 snowmaking machine.
https://hackaday.com/2024/12/28/let-it-snow-with-a-sub-100-snowmaking-machine/

[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 …read more (https://hackaday.com/2024/12/28/let-it-snow-with-a-sub-100-snowmaking-machine/)

Circuit Secrets: Exploring a $5 Emergency Light
https://hackaday.com/2024/12/28/circuit-secrets-exploring-a-5-dollar-emergency-light/

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 sophisticated behaviors. …read more (https://hackaday.com/2024/12/28/circuit-secrets-exploring-a-5-dollar-emergency-light/)

38C3: Towards an Open WiFi MAC Stack on ESP32
https://hackaday.com/2024/12/28/38c3-towards-an-open-wifi-mac-stack-on-esp32/

At the 38th Chaos Communications Congress, [Frostie314159] and [Jasper Devreker] gave us a nice update on their project to write an open-source WiFi stack for the ESP32. If you’re interested …read more (https://hackaday.com/2024/12/28/38c3-towards-an-open-wifi-mac-stack-on-esp32/)