How Passive Radar Works(passiveradar.com)
160 points by surprisetalk | 47 comments
First screen, captured . Open the video.

Captured . Click for the whole screenshot.
160 points by surprisetalk | 47 comments
613 points by todsacerdoti | 101 comments
A blog post by lcamtuf giving a brief introduction to antennas, superheterodyne receivers, and signal modulation schemes for hobbyists.
365 points by thunderbong | 133 comments
IEEE Spectrum news article about a transparent glass antenna that turns windows into compact, inconspicuous 5G base stations to improve cell coverage.
271 points by nkw | 53 comments
RTL-SDR.com post reporting that several projects, including ESPARGOS, independently discovered hidden SDR capabilities in ESP32 microcontrollers.
405 points by mimorigasaka | 211 comments
arXiv paper analyzing and identifying a space-based GNSS interference source causing wide-area interference events over Europe, Greenland, and Canada since 2019.
613 points by todsacerdoti | 101 comments
A blog post by lcamtuf giving a brief introduction to antennas, superheterodyne receivers, and signal modulation schemes for hobbyists.
334 points by Panda_ | 128 comments
Jonah Aragon's blog post about getting into mesh networking and comparing the Meshtastic, MeshCore, and Reticulum projects.
804 points by sidnarsipur | 436 comments
Taalas blog post by Ljubisa Bajic arguing that latency and cost limit AI adoption and presenting its approach to very fast (17k tokens/sec) inference hardware.
537 points by acaloiar | 269 comments
Blog post by Adriano Caloiaro describing how AT&T Wireless traffic shaping appears to make some websites unusable, observed while living in an RV.
453 points by bx376 | 663 comments
An Economist Free exchange column arguing that artificial intelligence is losing hype and asking whether that signals the technology will eventually succeed.