https://ctx.pidata.tech/ Open-source tools and tech hacks, explained in 40 s. en Sun, 25 Oct 2026 00:00:00 GMT https://ctx.pidata.tech/r/findmyweb https://ctx.pidata.tech/r/findmyweb Sun, 25 Oct 2026 00:00:00 GMT You can build your own AirTag without buying anything from Apple. How the open-source FindMyWeb project uses Apple's Find My network with a cheap Bluetooth board, and the catch. findmyweb airtag bluetooth nrf52840 open-source https://ctx.pidata.tech/r/reflect-orbital https://ctx.pidata.tech/r/reflect-orbital Sat, 24 Oct 2026 00:00:00 GMT This startup wants to sell you sunlight. At night. Mirror satellites that bounce sunlight onto a 5 km spot after dark: what the FCC approved, the plan for 50,000 mirrors, and why astronomers object. reflect-orbital satellites space fcc astronomy