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Things you can do with a Software Defined Radio (2024)

news.ycombinator.com Unknown 2025-09-28 11:35:19

Fifty Things you can do with a Software Defined Radio 📻 Last week, I went on an adventure through the electromagnetic spectrum! It’s like an invisible world that always surrounds us, and allows us to do many amazing things: It’s how radio and TV are transmitted, it’s how we communicate using Wi-Fi or our phones. And there are many more things to discover there, from all over the world. In this post, I’ll show you fifty things you can find there – all you need is this simple USB dongle and an

Topics: frequency mhz radio receive things

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Fifty Things you can do with a Software Defined Radio

news.ycombinator.com Unknown 2025-09-28 21:35:19

Fifty Things you can do with a Software Defined Radio 📻 Last week, I went on an adventure through the electromagnetic spectrum! It’s like an invisible world that always surrounds us, and allows us to do many amazing things: It’s how radio and TV are transmitted, it’s how we communicate using Wi-Fi or our phones. And there are many more things to discover there, from all over the world. In this post, I’ll show you fifty things you can find there – all you need is this simple USB dongle and an

Topics: frequency mhz radio receive things

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Senator Says Radioactive Shrimp Will Turn You Into the Alien From ‘Alien’

gizmodo.com Matt Novak 2025-10-16 13:00:59

U.S. health officials have issued several recalls of shrimp in recent weeks over concerns about radioactive material. And now a sitting U.S. Senator has taken the opportunity to warn people in the most dire terms possible. With help from a visual aide, of course. Sen. John Kennedy, a Republican from Louisiana, took to the Senate floor with a giant poster board featuring a screenshot from the classic 1979 film Alien on Wednesday. And he wants you to know that Americans are going to look like the

Topics: alien kennedy like radioactive shrimp

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Melvyn Bragg steps down from presenting In Our Time

news.ycombinator.com Unknown 2025-10-17 14:18:13

Having presented well over 1,000 episodes of the much-loved BBC Radio 4 series, Melvyn Bragg has made the decision to step down from In Our Time following the series which aired earlier this year. Melvyn has presented every episode of In Our Time since the series first launched in 1998. In Our Time is regularly one of the BBC’s most listened to on-demand programmes around the world, its appeal spanning generations. It is one of BBC Sounds' most popular podcasts amongst under 35s. Over the last

Topics: 1998 bbc melvyn radio time

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Apple Music radio stations are now available outside of Apple Music for the first time

9to5mac.com Benjamin Mayo 2025-10-30 17:15:05

In what appears to be a marketing effort for its subscription service, Apple has partnered with TuneIn to offer the free Apple Music radio stations outside of the Apple Music app for the first time. As reported by the Wall Street Journal, starting today, all six of the Apple live music radio stations will be made available to listen to on TuneIn. TuneIn reports more than 75 million monthly active users, spanning a variety of platforms and devices. Live radio has been a key element of Apple Mus

Topics: apple music radio stations tunein

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A Radiohead song from 1997 is on the Hot 100 charts, thanks to TikTok

techcrunch.com Amanda Silberling 2025-10-31 20:13:41

Thanks to an unexpected surge in popularity on TikTok, Radiohead now has its fourth-ever song on the Billboard Hot 100: the morosely gorgeous track “Let Down” from the 1997 album “OK Computer.” “Let Down” never broke through to mainstream attention like Radiohead’s “Creep” or “Karma Police,” but it’s by no means a deep cut, like the Pavement B-side “Harness Your Hopes” that went viral due to a quirk in Spotify’s recommendation algorithm. This Radiohead song is a fan favorite from an album that’

Topics: let like radiohead song tiktok

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The Mysterious Shortwave Radio Station Stoking US-Russia Nuclear Fears

wired.com Justin Ling 2025-11-05 04:00:00

Shortly after US president Donald Trump hung up a call with Russia’s Vladimir Putin this spring, an obscure shortwave radio channel, broadcasting from a military base somewhere in Russia, sprang to life. Through a fog of static, at 4625 kHz on the shortwave dial, a man’s voice spoke in monotone: “Nikolai, Zhenya, Tatiana, Ivan.” He repeats the message—spelled out in the Russian phonetic alphabet—followed by a series of numbers and letters. The whole message reads: “NZhTI 01263 BOLTANKA 4430 952

Topics: 76 message radio shortwave station

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Scientists Detect Precise Origin of Mysterious Signal From Deep Space

futurism.com Unknown 2025-11-04 22:30:20

For almost two decades, astronomers have been trying in vain to explain extremely bright flashes of radio bursts emanating from deep space. Despite only lighting up for a tiny fraction of a second, these fast radio bursts (FRBs) have been known to release as much energy as the Sun puts out in an entire year. Now, in what's being called a "turning point," an international team of researchers has traced back the location of the origin of one of the brightest FRBs ever detected, allowing them to

Topics: frb frbs radio said star

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Scientists Propose a Smarter Way to Hunt for Alien Radio Signals

gizmodo.com George Dvorsky 2025-11-04 15:00:31

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research suggests refining our search parameters by using our own broadcasts into deep space as a helpful guide. Research published earlier this week in Astrophysical Journal Letters suggests we search for alien signals by studying how we beam strong, directed transmissions during two-way communication with our de

Topics: deep radio signals space transmissions

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Most Powerful Fast Radio Burst Ever Detected Hits Telescopes Across North America

gizmodo.com Natalia Mesa 2025-11-05 14:25:38

For almost two decades, astronomers have detected extremely powerful, millisecond-long flashes of radio waves known as fast radio bursts (FRBs) from beyond our galaxy—and had no clue where they came from. Now, a team of scientists has detected the brightest-ever FRB and finally pinpointed its origin to a nearby galaxy. Researchers have long suspected that FRBs are the result of highly energetic and violent events, like clashes between neutron stars. But even though they can generate more energy

Topics: astronomers frb galaxy radio star

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How Did Walmart Frozen Shrimp Become Contaminated With Radioactive Material?

futurism.com Unknown 2025-11-11 21:44:05

As you've probably already heard, the Food and Drug Administration has issued a recall warning for bags of frozen shrimp sold under Walmart's "Great Value" brand over concerns about radioactive contamination. As the FDA explained in a statement, shipping containers and frozen shrimp parcels used by the Indonesia-based Walmart contractor BMS Foods tested positive for Cesium-137, a radioactive isotope and byproduct of nuclear fission. Though only a single shipment of the shrimp was found to cont

Topics: containers contamination fda radioactive shrimp

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I subscribe to Spotify, Apple Music, and Tidal, but keep coming back to YouTube Music for one reason

androidauthority.com Unknown 2025-11-18 03:00:47

Dhruv Bhutani / Android Authority Thanos has his gemstones, and I have my music subscription services. I’ve subscribed to practically all the major streaming services. Spotify, Apple Music, Tidal — they all have their own unique strengths and quirks. Of course, I’ve tried to rationalize the cost by saying that I’m keeping my options open and that different services are good for different use cases, and even moods. Spotify Jam comes in clutch when I’m throwing a party. Other days, I want Apple M

Topics: music radio service spotify youtube

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This quantum radar could image buried objects

technologyreview.com Sophia Chen 2025-12-02 02:00:00

The glass cell that serves as the radar’s quantum component is full of cesium atoms kept at room temperature. The researchers use lasers to get each individual cesium atom to swell to nearly the size of a bacterium, about 10,000 times bigger than the usual size. Atoms in this bloated condition are called Rydberg atoms. When incoming radio waves hit Rydberg atoms, they disturb the distribution of electrons around their nuclei. Researchers can detect the disturbance by shining lasers on the atoms

Topics: atoms radar radio researchers rydberg

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New Theory Could Dramatically Expand the Search for Aliens

gizmodo.com Gayoung Lee 2025-12-14 03:36:09

The search for alien life is largely centered on finding planets in the “Goldilocks Zone”—the distance from a star where a planet could have liquid water on its surface and enough light to sustain life. But a new study offers a tantalizing possibility that other worlds, far from their host stars, may also be able to support living things, a finding that could dramatically broaden the search for extraterrestrial life. In a paper published last week in the International Journal of Astrobiology, r

Topics: life radiolysis rays water zone

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Four radioactive wasp nests found on South Carolina nuclear facility

arstechnica.com Unknown 2025-12-14 17:35:13

Wasps living around a Cold War-era nuclear facility in South Carolina have built at least four radioactive nests, raising questions about their source of hazardous material and the extent of environmental contamination, according to a report by The New York Times. Last week, news broke that officials at the site—Savannah River Site (SRS) near Aiken, South Carolina—had found one radioactive nest on July 3. The discovery was documented in a July 22 report by the US Department of Energy, which own

Topics: contamination nests radioactive report times

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Scientists and engineers craft radio telescope bound for the moon

news.ycombinator.com Unknown 2025-12-14 06:51:11

Scientists and Engineers Craft Radio Telescope Bound for the Moon With all major telescope components completed, the Lunar Surface Electromagnetics Experiment-Night is now undergoing final assembly enlarge LuSEE-Night undergoes final assembly at the Space Sciences Laboratory, following the completion of all major components by Brookhaven Lab and other collaborators. (Space Sciences Laboratory) UPTON, N.Y. — The U.S. Department of Energy’s (DOE) Brookhaven National Laboratory has completed the

Topics: lunar lusee night radio telescope

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Show HN: A High-Altitude Low-Power Flight Computer for High-Altitude Balloons

news.ycombinator.com Unknown 2025-12-22 10:51:10

Tiny4FSK - The Lightweight Horus Binary Tracker Built for HABs WORK IN PROGRESS - Please do not rely on this as your only tracking system. Tiny4FSK is still in the R&D phase of development and testing. NEW - Incorporated new Rev. 4 PCB files and code (12/21/24). STATE - Rev. 4 is fully working! Currently testing. What is the Tiny4FSK project? Tiny4FSK aims to be an ultra-tiny high-altitude tracking system. It runs on 1 AA battery that lasts for 10-17 hours (a few seconds between position up

Topics: arduino pin power radio si4063

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2025 ARRL Field Day

news.ycombinator.com Unknown 2026-02-21 06:04:04

ARRL Field Day is a radio communications event that brings together amateur radio operators (also called “hams”) within your community. The theme for 2025 Field Day is “Radio Connects” – highlighting the many ways that wireless technology connects people across distances near and far. The event is part picnic, campout, practice for emergencies, informal contest, and most of all, fun! ARRL Field Day is the most popular ham radio activity held annually in the US and Canada. On the fourth weekend i

Topics: amateur arrl day field radio

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New Images Show Andromeda Galaxy as You’ve Never Seen It Before

gizmodo.com Passant Rabie 2026-02-25 03:15:07

Andromeda lies 2.5 million light-years away from the Milky Way, a spiral galaxy similar to our own that has allowed scientists to better understand our galactic home. A new composite image reveals our closest galactic neighbor in five different wavelengths of light, combined together to create a stunningly detailed view of Andromeda. Telescopes capture images in different wavelengths by observing a specific part of the electromagnetic spectrum, from low-frequency radio waves to extremely high-f

Topics: andromeda data different light radio

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NASA Satellite That’s Been Dead for 57 Years Sends Mysterious Signal to Earth

gizmodo.com Passant Rabie 2026-03-03 08:05:27

A little over a year ago, scientists in Australia picked up a brief burst of electromagnetic radiation. The pulse was so strong that it eclipsed all other signals coming from the sky, but its origins were unknown. After digging through the data, the team discovered that the source wasn’t a distant celestial object but rather a zombie satellite left to orbit Earth with no purpose. NASA’s Relay-2 launched on January 21, 1964, two years after its predecessor, Relay-1, was sent to orbit. The pair w

Topics: object orbit radio relay scientists

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The Tandy Corporation, Part 1 – By Bradford Morgan White

news.ycombinator.com Bradford Morgan White 2026-03-01 05:06:18

In 1919, a small leather company was founded in Fort Worth by David Lewis Tandy and Norton Hinckley. The Hinckley-Tandy Leather Company specialized in leather show laces, shoe soles, leather and rubber heels, and other shoe-findings. Tandy focused on sales and marketing while Hinckley managed the internal business operations and inventory. The company did well, bought a larger location in 1923 and expanded to Beaumont in 1927. The company scaled back during the Depression, but they survived. Ch

Topics: company french radio shack tandy

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The Tandy Corporation

news.ycombinator.com Bradford Morgan White 2026-03-04 04:52:23

In 1919, a small leather company was founded in Fort Worth by David Lewis Tandy and Norton Hinckley. The Hinckley-Tandy Leather Company specialized in leather show laces, shoe soles, leather and rubber heels, and other shoe-findings. Tandy focused on sales and marketing while Hinckley managed the internal business operations and inventory. The company did well, bought a larger location in 1923 and expanded to Beaumont in 1927. The company scaled back during the Depression, but they survived. Ch

Topics: company french radio shack tandy

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Long-Dead NASA Satellite Suddenly Lets Out Epic Blast of Energy

futurism.com Unknown 2026-03-06 22:30:37

NASA's experimental Relay 2 satellite had been dead in the sky since 1967 — until last summer, when it emitted a super-short and very powerful burst of energy out of nowhere. In an interview with New Scientist, one of the researchers from Australia's Curtin University who discovered the strange pulse coming off the dead communications satellite described his shock at finding the nearby source of that nanosecond-long energy blast. Curtin astronomer Clancy James and his team had been using the A

Topics: curtin energy new radio relay

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Dr. Demento Announces Retirement After 55-Year Radio Career

news.ycombinator.com Foo Conner 2026-03-11 22:27:39

Radio personality Barret “Dr. Demento” Hansen announced his retirement this week, ending a 55-year career devoted to comedy and novelty music when his show concludes in October. Hansen, 84, revealed the decision during his weekly program, saying the current episode would be his final regular show. The announcement comes as the program approaches its 55th anniversary this fall. The Dr. Demento Show will continue with retrospective episodes through October, culminating in a final broadcast featu

Topics: demento dr episodes hansen radio

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Scientists in Antarctica Detect Deep-Earth Signals That Defy Known Physics

gizmodo.com Ellyn Lapointe 2026-03-17 19:35:49

A balloon-borne experiment over Antarctica, designed to detect cosmic radio waves, has instead picked up bizarre signals that appear to be coming from deep within the ice. These signals challenge our current understanding of particle physics, scientists say. The Antarctic Impulsive Transient Antenna (ANITA) experiment consists of radio antennas flown on NASA balloons 19 to 24 miles (30 to 39 kilometers) over the surface of Antarctica. In recent years, the detector has recorded radio pulses that

Topics: anita ice neutrinos radio signals

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There's a Giant Problem With SpaceX's Starlink Satellites

futurism.com Unknown 2026-03-21 14:27:06

Astronomers' attempts to peer into the earliest reaches of the universe could be threatened by thousands of SpaceX Starlink satellites leaking radio emissions that ruin observations made with highly sensitive telescopes. As New Scientist reports, a team of researchers led by Curtin University radio astronomy professor Steven Tingay tracked the signals of almost 2,000 Starlink satellites, with the help of a prototype telescope from the Square Kilometre Array, which is currently under constructio

Topics: radio satellites spacex starlink tingay

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The hunt for Marie Curie's radioactive fingerprints in Paris

news.ycombinator.com Unknown 2026-03-20 23:02:13

The hunt for Marie Curie's radioactive fingerprints in Paris 3 days ago Share Save Sophie Hardach Share Save Edouard Taufenbach and Bastien Pourtout (Credit: Edouard Taufenbach and Bastien Pourtout) Marie Curie worked with radioactive material with her bare hands. More than 100 years after her groundbreaking work, Sophie Hardach travels to Paris to trace the lingering radioactive fingerprints she left behind. The Geiger counter starts flashing and buzzing as I hold it against the 100-year-ol

Topics: curie marie radioactive radium says

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The BBC Radiophonic Workshop's archive is now available to sample

engadget.com Unknown 2025-11-17 14:31:00

Attention audiophiles: the archive of the BBC Radiophonic Workshop is being made available to the public for the first name. This department was founded in the 1950s as a laboratory that could invent original music and sound effects for BBC radio, and later television, programming. Over the years, its roster of innovative musicians and composers created audio for iconic BBC productions of the 1950s and 1960s such as Doctor Who, Hitchhiker's Guide to the Galaxy, the Goon Show and Blake's 7. In ad

Topics: audio bbc radiophonic sounds workshop

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Latest Tech News

Things you can do with a Software Defined Radio (2024)

Fifty Things you can do with a Software Defined Radio

Senator Says Radioactive Shrimp Will Turn You Into the Alien From ‘Alien’

Melvyn Bragg steps down from presenting In Our Time

Apple Music radio stations are now available outside of Apple Music for the first time

A Radiohead song from 1997 is on the Hot 100 charts, thanks to TikTok

The Mysterious Shortwave Radio Station Stoking US-Russia Nuclear Fears

Scientists Detect Precise Origin of Mysterious Signal From Deep Space

Scientists Propose a Smarter Way to Hunt for Alien Radio Signals

Most Powerful Fast Radio Burst Ever Detected Hits Telescopes Across North America

How Did Walmart Frozen Shrimp Become Contaminated With Radioactive Material?

I subscribe to Spotify, Apple Music, and Tidal, but keep coming back to YouTube Music for one reason

This quantum radar could image buried objects

New Theory Could Dramatically Expand the Search for Aliens

Four radioactive wasp nests found on South Carolina nuclear facility

Scientists and engineers craft radio telescope bound for the moon

Show HN: A High-Altitude Low-Power Flight Computer for High-Altitude Balloons

2025 ARRL Field Day

New Images Show Andromeda Galaxy as You’ve Never Seen It Before

NASA Satellite That’s Been Dead for 57 Years Sends Mysterious Signal to Earth

The Tandy Corporation, Part 1 – By Bradford Morgan White

The Tandy Corporation

Long-Dead NASA Satellite Suddenly Lets Out Epic Blast of Energy

Dr. Demento Announces Retirement After 55-Year Radio Career

Scientists in Antarctica Detect Deep-Earth Signals That Defy Known Physics

There's a Giant Problem With SpaceX's Starlink Satellites

The hunt for Marie Curie's radioactive fingerprints in Paris

The BBC Radiophonic Workshop's archive is now available to sample

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