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California Earthquakes Disrupted HF Propagation on West Coast
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
New
The latest blog posts to take off on Hacker News. 1,766 posts.
Hardware & Electronics
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Breaking max efficiency of solar cells by activating 2 electrons with 1 photon
Researchers at MIT and Princeton have found a way to increase the output of silicon solar cells by allowing a single photon to release two electrons in the silicon.
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Hacking Digital Calipers
A collaborative AI workspace, built on your company context. Build and orchestrate agents right alongside your team's projects, meetings, and connected apps.
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No Strong Opposition to 144-146 MHz Reallocation Proposal at CEPT Meeting
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
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VESA Publishes DisplayPort 2.0 Video Standard
DisplayPort 2.0 enables up to 3X increase in video bandwidth performance (max payload of 77.37 Gbps); new built-in features enable improved user experience, greater flexibility and improved power efficiency SAN JOSE, Calif. – June 26, 2019 – The Video Electronics Standards Association (VESA®) today announced that it…
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Raspberry Pi on Raspberry Pi
Question: Is the Raspberry Pi 4 any good? Answer: It’s good enough to run its own launch website with tens of millions of visitors.
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Chip design drastically reduces energy needed to compute with light
MIT researchers have developed a “photonic” artificial intelligence (AI) accelerator that computes using light instead of electricity — and consumes relatively little power in the process — to run massive neural networks millions of times more efficiently than today’s classical computers.
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Details about MIDI 2.0
This article is for companies looking to develop MIDI 2.0 products, both software developers and hardware manufacturers. If you are a MIDI user looking for the benefits of MIDI 2.0, [...]
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QEMU 4.0 adds micro:bit emulation support
micro:bit emulation support is available from QEMU 4.0 onwards and can be used for low-level software testing and development. Unlike existing micro:bit simulators, QEMU performs full-system emulation and actually runs the same ARM code as the real hardware. This blog post explains what full-system emulation means and…
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Apple introduces 8-core MacBook Pro
Apple updated MacBook Pro with faster 8th- and 9th-generation Intel Core processors, bringing eight cores to MacBook Pro for the first time.
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Glass Enterprise Edition 2
We’re launching Glass Enterprise Edition 2 to help businesses work better, smarter and faster.
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Three geeks rescue a 50-year-old IBM 360 mainframe from an abandoned building
In late April of 2019 Adam Bradley and Chris Blackburn were sitting in a pub on a Monday night when Chris happened across a somewhat unusual eBay listing for an IBM 360 Model 20. This eBay listing was unusual mainly because it didn’t actually list the computer as an IBM 360, but rather as an “seltene Anlage “Puma…
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Updates to Works with Nest
Updates to the Works with Nest platform transition to the Works with Google Assistant platform
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Pixel 3a
A phone from Google that helps you get more done. It has everything you need in a phone, and a camera that you’ll love.
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The Search for the Extra Pedal (2017)
McLaren Mastercard Formula 1 will race with Mercedes-Benz power in the 2026 F1 season, taking to the track for 24 race weekends with Lando Norris and Oscar Piastri.
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Librem 5 April Update
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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How to Read a Schematic
Schematics are our map to designing, building, and troubleshooting circuits. Understanding how to read and follow schematics is an important skill for any electronics engineer.
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An Introduction to C and GUI Programming
An Introductrion to C & GUI Programming, the new book from Simon Long and the Raspberry Pi Press is out now. Get your copy today.
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Green Material for Refrigeration Identified
Researchers from the UK and Spain have identified an eco-friendly solid that could replace the inefficient and polluting gases used in most refrigerators and air conditioners.
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Mozilla WebThings
Mozilla WebThings is an open platform for monitoring and controlling devices over the web.
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