The Voice of GPS
Tuning into a GPS satellite is nothing new. Your phone and your car probably do that multiple times a day. But [dereksgc] has been listening to GPS voice traffic. The …read more Continue reading The Voice of GPS
Author Archives: Al Williams
Hackaday Podcast 224: Star Wars Holograms, Tricorders, and Other Sensors
Elliot and Al got together to discuss this week’s projects, and you’re invited! You’ll hear news about replaceable batteries in the EU, along with some news about the Hackaday Op …read more Continue reading Hackaday Podcast 224: Star Wars Holograms, Tricorders, and Other Sensors
Ask Hackaday: The Turing Test is Dead: Long Live the Turing Test!
Alan Turing proposed a test for machine intelligence that no longer works. The idea was to have people communicate over a terminal, with another real person and with a computer. …read more Continue reading Ask Hackaday: The Turing Test is Dead: Long Live the Turing Test!
Dual Channel POV Display also has Nixie Tubes
What’s a tachyscope? According to [Daniel Ross], it is an animated display from an alternate timeline circa 1880. The real ones, of course, didn’t have LEDs and microcontrollers. The control …read more Continue reading Dual Channel POV Display also has Nixie Tubes
Inside Digital Calipers
If you do any kind of machining, 3D printing, or PCB layout, you probably have at least considered buying a pair of calipers. Old-fashioned ones had a dial and were …read more Continue reading Inside Digital Calipers
In Praise of RPN (with Python or C)
HP calculators, slide rules, and Forth all have something in common: reverse polish notation or RPN. Admittedly, slide rules don’t really have RPN, but you work problems on them the …read more Continue reading In Praise of RPN (with Python or C)
Fuel Cell Turns PET and Carbon Dioxide into Useful Chemicals
The University of Cambridge has a novel fuel cell design that can grab CO2 from the atmosphere or industrial processes and, combined with waste PET plastic, provides syngas and glycolic …read more Continue reading Fuel Cell Turns PET and Carbon Dioxide into Useful Chemicals
Cosmic Ray Navigation
GPS is a handy modern gadget — until you go inside, underground, or underwater. Japanese researchers want to build a GPS-like system with a twist. It uses cosmic ray muons, …read more Continue reading Cosmic Ray Navigation
Behind the x86 Pipeline Curtain
We’ve often heard that modern x86 CPUs don’t really execute x86 instructions. Instead, they decode them into RISC instructions that are easier to schedule, pipeline, and execute. But we never …read more Continue reading Behind the x86 Pipeline Curtain
Better Antennas via Annealing (Simulated)
If you want to simulate a tic-tac-toe game, that’s easy. You can evaluate every possible move in a reasonable amount of time. Simulating antennas, however, is much harder. [Rosrislav] has …read more Continue reading Better Antennas via Annealing (Simulated)