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kv4p HT is a unique homebrew VHF radio that can turn your Android smartphone into a fully-functioning handheld radio transceiver, allowing for off-grid voice and text communication with an amateur radio license. It’s open source, costing only $35 to build, with crystal-clear audio, texting capabilities, and the ability to scan through unlimited memories and groups. […]
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Oh, boy. Made an astonishing finder of optical illusions using an acrylic square. By bending light with carefully crafted variations in the surface and employing intricate math calculations, this square can form captivating images when light is shone on it. From morphing cells to solving Poisson’s Equation for creating a velocity potential field, this DIY […]
A study by Johns Hopkins researchers shows that arm position during blood pressure screenings can overestimate results, potentially leading to a misdiagnosis of hypertension. The study, published in JAMA Internal Medicine, found that relying on an unsupported arm or placing it on a lap significantly inflates readings. The findings emphasize the importance of following clinical […]
The World Conker Championships are facing controversy as the men’s winner, David Jakins, was found with a steel chestnut in his pocket, leading to cheating allegations. Despite winning the title for the first time after participating in the competition since 1977, Jakins denied using the metal conker during the tournament. Interestingly, Jakins was responsible for […]
The Royal Swedish Academy of Sciences has awarded the 2024 Sveriges Riksbank Prize in Economic Sciences to Daron Acemoglu, Simon Johnson, and James Robinson for their research on how institutions impact prosperity. They have highlighted the importance of inclusive institutions over extractive ones for long-term economic growth and societal well-being. Their work has shown that […]
This web content discusses the research presented at SIGGRAPH ASIA 2024 on generating highly coiled hairs using geometric methods. The study combines phase locking, period skipping, and switchback techniques to create detailed depictions of curly hair. The head model used in the research is based on Carvell Wallace, a New York Times bestselling author. The […]
The OCaml CLI Mini-framework offers various demo applications, including demo_tty showcasing ANSI features, and demo_boiling featuring ongoing ASCII animation. A unique tool, rebase_edit, is an interactive git rebase editor with a corresponding script, newbase, serving as a replacement for git rebase -i. Core libraries like tea provide an Elm-inspired structure, while components offer composable ANSI […]
This web content explores OpenAI’s Structured Output feature, demonstrating how to extract data from financial disclosure reports and police blotters using the Python SDK and pydantic for schema definition. The results show efficiency in data extraction even with minimal schema definition effort. OpenAI’s API offers cost-effective solutions for large-scale data gathering from public documents. The […]
A study led by experts at Newcastle University’s Coralassist Lab has shown that selective breeding can modestly improve coral heat tolerance in adult corals to survive marine heat waves. Although the breeding effort was successful, the improvement was not enough to keep pace with future warming under climate change. Dr. James Guest emphasizes the need […]
Timezones and daylight saving time can be a headache for scheduling and travel, especially for developers. Dive deep into the complexity of time handling with Colin E., exploring the IANA database and historical shifts in time management. Discover surprising facts about the evolution of timezones, from local town time to global standards proposed by Sir […]