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Category Archives: news
Chandrayaan-2 Found by Citizen Scientist; Reminds Us of Pluto Discovery
What does Pluto — not the dog, but the non-Planet — have in common with the Vikram lunar lander launched by India? Both were found by making very tiny comparisons to photographs. You’d think landing something on the moon would be old hat by now, but it turns out only …read more
That’s It, No More European IPV4 Addresses
When did you first hear concern expressed about the prospect of explosive growth of the internet resulting in exhaustion of the stock of available IP addresses? About twenty years ago perhaps? All computers directly connected to the internet must have an individual unique address, and the IPv4 scheme used since …read more
Posted in internet, internet hacks, ip address, ipv4, IPv6, Network Hacks, news, ripe
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Raspberry Pi 4 HDMI is Jamming Its Own WiFi
Making upgrades to a popular product line might sound like a good idea, but adding bigger/better/faster parts to an existing product can cause unforeseen problems. For example, dropping a more powerful engine in an existing car platform might seem to work at first until people start reporting that the increased …read more
Posted in hdmi, interference, news, radio frequency, Raspberry Pi, resolution, RF, wifi
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The ESP32, Laid Bare
Most readers will be familiar with the ESP32, Espressif’s dual-core processor with integrated WiFi and Bluetooth. Few of us though will have explored all of its features, including its built-in encryption facilities and secure booting capability. With these, a developer can protect and secure their code, and keep their devices …read more
Posted in ESP32, glitching, Microcontrollers, news, security, security hacks
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This Week in Security: Fuzzing Fixes, Foul Fonts, TPM Timing Attacks, and More!
An issue was discovered in libarchive through Google’s ClusterFuzz project. Libarchive is a compression and decompression library, widely used in utilities. The issue here is how the library recovers from a malformed archive. Hitting an invalid header causes the memory in use to be freed. The problem is that it’s …read more
Best Buy’s IoT Goes Dark, Leaving Some “Smart” Products Dumbfounded
Bad news if you bought several Insignia-branded smart devices from Best Buy. The company has decided to shut down the back end systems that make them work — or at least work as a smart device. On the chopping block are smart outlets, switches, a security camera, and an upright …read more
Posted in best buy, cloud, Hackaday Columns, insignia, IoT, news, rants
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HF Propagation and Earthquakes
For all the successes of modern weather forecasting, where hurricanes, blizzards, and even notoriously unpredictable tornadoes are routinely detected before they strike, reliably predicting one aspect of nature’s fury has eluded us: earthquakes. The development of plate tectonic theory in the middle of the 20th century and the construction of …read more
Posted in amateur radio, citizen science, earthquake, Interest, news, Original Art, prediction, science
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New Part Day: Alexa Connect Kit Now Available For Sale
People who were subscribed to updates on the Alexa Connect Kit (ACK) would recently have received an email informing that this kit is now available for sale. Last time we covered the ACK was back in September of 2018, the ‘release’ moniker meant ‘preview’ and there wasn’t any hardware one …read more
An Atari Graphics Chip, Ready For You To Build
The most notable of the home computer and console hardware from the 8-bit golden era didn’t get their impressive sound and graphics from off-the-shelf silicon, instead they relied on secretive custom chipsets to get the edge over their competitors. Unfortunately for vintage gaming aficionados, those chips are now long out …read more
Posted in atari, atari 2600, Atari 7800, emulation, news, retro console, retrocomputing, schematic
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