Stack of Si3N4-LiNbO3 forming the integrated laser and integrated into test setup (d). (Credit: Snigirev et al., 2023)
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/08/LiNbO3_photonic_integrated_laser.jpeg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/08/LiNbO3_photonic_integrated_laser.jpeg?w=800">Making lasers smaller and more capable of rapidly alternating between frequencies, while remaining within a narrow band, is an essential part of bringing down the cost of technologies such as …read more (https://hackaday.com/2023/08/04/fast-adjustable-lasers-using-lithium-niobate-integrated-photonics/)

This Week in Security: Your Car’s Extended Warranty, Seizing the Fediverse, and Arm MTE
https://hackaday.com/2023/08/04/this-week-in-security-your-cars-extended-warranty-seizing-the-fediverse-and-arm-mte/

If you’ve answered as many spam calls as I have, you probably hear the warranty scam robocall in your sleep: “We’ve been trying to reach you about your car’s extended …read more (https://hackaday.com/2023/08/04/this-week-in-security-your-cars-extended-warranty-seizing-the-fediverse-and-arm-mte/)

Metal Forming with a 3D Printer
https://hackaday.com/2023/08/04/metal-forming-with-a-3d-printer/

How do you use a 3D printer to bend metal? One way would be to take it to a machine shop and offer to trade the owner your printer for …read more (https://hackaday.com/2023/08/04/metal-forming-with-a-3d-printer/)

Hackaday Podcast 230: Space Science, Superconductors, Supercaps, and Central Air
https://hackaday.com/2023/08/04/hackaday-podcast-230-space-science-superconductors-supercaps-and-central-air/

This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi start things off by tackling a pair of science stories, one that may or may not change the world, and …read more (https://hackaday.com/2023/08/04/hackaday-podcast-230-space-science-superconductors-supercaps-and-central-air/)

Hackaday Prize 2023: Green Hacks Finalists
https://hackaday.com/2023/08/04/hackaday-prize-2023-green-hacks-finalists/

Time and tide wait for no hacker, even if they happen to spend their spare time working on the sort of eco-friendly projects that qualified for the Green Hacks challenge …read more (https://hackaday.com/2023/08/04/hackaday-prize-2023-green-hacks-finalists/)

Hackaday Prize 2023: One-Handed Soldering with the Solder Sustainer
https://hackaday.com/2023/08/04/hackaday-prize-2023-one-handed-soldering-with-the-solder-sustainer/

For a lot of us, soldering has become so ingrained that it’s muscle memory. We know exactly when the iron is hot enough, how long to leave the tip in …read more (https://hackaday.com/2023/08/04/hackaday-prize-2023-one-handed-soldering-with-the-solder-sustainer/)

If the Shoe Doesn’t Fit, Print it!
https://hackaday.com/2023/08/04/if-the-shoe-doesnt-fit-print-it/

Usually when we talk about flip-flops here we mean the circuit. But in this case, it is [Jeandre Groenewald’s] 3D-printed shoe design called Sloffies. The shoes use TPU, and the …read more (https://hackaday.com/2023/08/04/if-the-shoe-doesnt-fit-print-it/)

Rocket Stove Efficiently Heats Water
https://hackaday.com/2023/08/04/rocket-stove-efficiently-heats-water/