Collaborate Disseminate
NGC 3079 is spitting out particles that balloon across thousands of light years in space. Continue reading NASA Captures Stunning Images of ‘Nuclear Superbubbles’ in an Alien Galaxy
MIT is well known for rigorous courses, but they also have a special four-week term at the start of each year called the IAP — Independent Activities Period. This year, the MIT Radio Society had several interesting presentations on both the history and application of radio. You weren’t there? No problem, as the nine lecture were all recorded for you to watch at your leisure. You can see one of the nine, below.
These aren’t some five minute quicky videos, either. They are basically live captures that run anywhere from an hour to almost two hours in length. The topics …read more
Image Credit: Vermont.org
John Dillon writing at Vermont Public Radio, brings forth the true story of Cory Chase, a State of Vermont Telecommunications Infrastructure Specialist and his quest to accurately detail mobile telephony signal coverage in hi… Continue reading The Story: Vermont State Official Proves Carrier Claims Of Coverage Are Hogwash
Depending on who you talk to, Google Assistant is either a tool capable of quickly and clearly answering audio queries in natural langauge, or a noisier and less useful version of Wolfram Alpha. [William Franzin] decided it would be particularly cool to make the service available over ham radio – and that’s exactly what he did.
[William] got the idea for this project after first playing with the Internet Radio Linking Project, a system which uses VoIP technologies to link radio networks over the internet. Already having an IRLP node, it seemed only natural to make it into a gateway …read more
Continue reading Google Assistant, Now Available On Ham Radio
There were plenty of great talks at this year’s Supercon, but we really liked the title of Dominic Spill’s talk: Ridiculous Radios. Let’s face it, it is one thing to make a radio or a computer or a drone the way you are supposed to. It is another thing altogether to make one out of things you shouldn’t be using. That’s [Dominic’s] approach. In a quick 30 minutes, he shows you two receivers and two transmitters. What makes them ridiculous? Consider one of the receivers. It is a software designed radio (SDR). How many bits should an SDR have? How …read more
The two countries were responsible for disrupting the planet’s ionosphere in a series of experiments this June. Continue reading Chinese and Russian Scientists Teamed Up to Manipulate the Earth’s Atmosphere
Videography Credit: Irongeek (Adrian Crenshaw).
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The post DerbyCon 2018, Eric Watkins’ & Devin Noel’s ‘Ham Radio 4 Hackers’ appeared first on Security Boulevard.
Continue reading DerbyCon 2018, Eric Watkins’ & Devin Noel’s ‘Ham Radio 4 Hackers’
Evolutionary algorithms are an interesting topic of study. Rather then relying on human ingenuity and investigation to create new designs, instead, an algorithm is given a target to achieve, and creates “offspring”, iterating in an evolutionary manner to create offspring that get closer to the target with each generation.
This method can be applied to the design of electronic circuits, and is sometimes referred to as “hardware evolution”. A team from Duke University attempted exactly this, aiming to produce an oscillator using evolutionary techniques.
The team used a platform called the “evolvable motherboard”, or EM. The EM is a platform …read more
Hackaday regular [befinitiv] wrote into the tip line to let us know about a hack you might enjoy, wireless UART output from a bare STM32 microcontroller. Desiring the full printf debugging experience, but constrained both by available space and expense, [befinitiv] was inspired to improvise by a similar hack that used the STM32 to send Morse code over standard FM frequencies.
In this case, [befinitiv]’s solution is both more useful and slightly more legal, as the software uses the 27 MHz ISM band to blast out ASK modulated serial data through a simple wire antenna attached to one of the …read more
The inside of classic radios holds wonders that the sterile chips and SMD components of today’s circuits can’t hold a candle to. Chunky resistors and capacitors, vacuum tubes with cathodes aglow, and seemingly free-form loops of wire forming inductors will all likely make an appearance. But the most fascinating bit of any old radio was connected to the tuning knob: the big variable capacitor with its interdigitating metal plates. Watching one at work, with its plates evenly and finely spaced, is still a joy to behold.
In an attempt to recapture a little of that magic, [Jeremy S. Cook] came …read more
Continue reading DIY Tuning Capacitors from Washers and 3D-Printed Parts