This project uses a clever hashing trick to fit over half a million blocked domains into just 4MB of flash memory.

Remember digital organizers? They were like the lower-spec version of a PDA that couldn’t really do much more than store a few phone numbers and calendar entries. [TundraLegendZ] recently grabbed such ...

Remember those brick cellphones in the 1990s? They were comically large by today’s standards. These phones used the 1G network to communicate and, as such, have been unusable for decades now. However ...

Unless you live in a Faraday cage, you're surrounded at all times by invisible radio signals, from Bluetooth and Wi-Fi to cellular traffic. French artist Théo Champion has found a way to make that ...

Wireless Underground Sensor Networks (WUSNs) offer promising solutions for applications such as pipeline monitoring, agriculture, and border patrol, but they face significant challenges due to signal ...

What if you could decode the invisible chatter of wireless networks, uncovering the secrets of off-grid communication systems, all with tools you can build at home? The intersection of ...

The HackRF One software defined radio (SDR) originally designed by Great Scott Gadgets has been a constant success ever since its introduction a few years ago. A pure open-source development, the ...

If you’re diving into cybersecurity, having the right hacking devices can make all the difference. Some devices are specifically designed to help you understand how hacking works, letting you practice ...