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Build the Ultimate Ham Radio Disaster Battery with Wireless Monitoring by OH8STN
30 sats \ 0 comments \ @HR4BTC 20 Jul 2024 DIY
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400 car batteries wired together to zap stuff with >100k ampswww.youtube.com/watch?v=OC7sNfNuTNU
1784 sats \ 2 comments \ @k00b 7 Mar science videos
Low tech offgrid solar power
495 sats \ 8 comments \ @Solomonsatoshi 7 Mar 2025 tech
Radio Builder – All the building blocks to experiment and build radiosradiobuilder.org/
515 sats \ 0 comments \ @k00b 21 Mar 2025 DIY
10 easy to make and effective HF antennas for ham radio.www.youtube.com/watch?v=beyj1WPOJP8
883 sats \ 0 comments \ @HR4BTC 6 Jan 2024 radio
Build a Radio Wave Detector With Balls of Aluminum Foil!www.wired.com/story/build-a-radio-wave-detector-with-balls-of-aluminum-foil/
383 sats \ 1 comment \ @0xbitcoiner 15 May science DIY tech history
Ham Radio 101: What is WSPR?www.onallbands.com/ham-radio-101-what-is-wspr/
315 sats \ 0 comments \ @hn 8 Nov 2024 tech
Using SSTV to Receive eCash via Sound with an Android Device
515 sats \ 2 comments \ @HR4BTC 3 Aug 2024 DIY
LightInk - Solar-powered E-ink smartwatch with up to 10 months of battery lifewww.cnx-software.com/2026/04/26/lightink-an-esp32-based-solar-powered-e-ink-smartwatch-with-up-to-10-months-of-battery-life/
312 sats \ 0 comments \ @sime 27 Apr tech
Police Use of Range-R Deviceswww.kevinkuliklaw.com/police-use-of-range-r-devices-does-their-use-constitute-a-violation-of-the-fourth-amendment/
382 sats \ 0 comments \ @Scoresby 3 Jun tech Politics_And_Law
This company claims a battery breakthrough. Now they need to prove it.www.technologyreview.com/2026/02/26/1133722/solid-state-batteries-donut-lab/
1325 sats \ 3 comments \ @k00b 3 Mar Cartalk science tech Construction_and_Engineering
Abandoned Coal Mines Are Becoming the Batteries of the Future
574 sats \ 1 comment \ @Onlygoodnews 27 Feb 2025 Construction_and_Engineering
Ham Radio For Bitcoin nostr accountnjump.me/nprofile1qqszw48usckkhs9hcwt3q3np9k2z2c73s8qc0gu3uxqw66cqlq88ukcpz9mhxue69uhnzdps9enrw73wd9hj7qg4waehxw309aex2mrp0yhxgctdw4eju6t09uq3wamnwvaz7tmjv4kxz7fwwpexjmtpdshxuet59uvmdh0h
958 sats \ 15 comments \ @EthnTuttle 21 Dec 2023 radio
3 WishMesh Meshtastic radios and 2 extended antennas 325,000 SATS
416 sats \ 7 comments \ @fe3c522a6f 4 Oct 2024 AGORA
Get Started with Meshtastic Decentralized Communications
222 sats \ 1 comment \ @Jestopher_BTC 27 Aug 2024 tech
FCC opens entire 6 GHz band to low power device operationsdocs.fcc.gov/public/attachments/DOC-408129A1.txt
710 sats \ 0 comments \ @hn 11 Dec 2024 tech
Scientists Built a Tiny Battery Out of Nuclear Waste Never Needs to Rechargewww.yahoo.com/tech/scientists-built-tiny-battery-nuclear-133000408.html
267 sats \ 0 comments \ @Cje95 20 Mar 2025 science
Radios, how do they work?lcamtuf.substack.com/p/radios-how-do-they-work
316 sats \ 4 comments \ @hn 26 Mar 2024 tech
Solid State Nuclear Battery Cell for 100 Years of Ultra-Low Power Operationwww.prnewswire.com/news-releases/nrd-llc-announces-release-of-solid-state-nuclear-battery-power-cell-designed-for-100-years-of-ultra-low-power-operation-302738931.html
622 sats \ 2 comments \ @k00b 12 Apr science tech Construction_and_Engineering
Bluetooth tracker hidden in a postcard and mailed to a warshipwww.tomshardware.com/tech-industry/cyber-security/bluetooth-tracker-hidden-in-a-postcard-and-mailed-to-a-warship-exposed-its-location-a-eur5-gadget-put-a-eur500-million-dutch-ship-at-risk-for-24-hours
515 sats \ 0 comments \ @sime 19 Apr security
Ghost Blocks: The Fight Against Bitcoin’s Stamp Tax (2091)
300 sats \ 0 comments \ @GreaterthanFiction 7 Dec 2025 bitcoin
About encryption and/or commercial activity on the ham bands:
1485 sats \ 7 comments \ @HR4BTC 22 Dec 2023 radio