http://spectrum.ieee.org/semiconductors/devices/the-quest-for-the-ultimate-vacuum-tube Tubes are still very much used technology in microwave satellite communications. Posted from WordPress for Android →
http://mobile.geek.com/latest/258379-mit-develops-wifi-with-x-ray-vision-can-see-a-human-through-walls?origref= Posted from WordPress for Android →
http://spectrum.ieee.org/tech-talk/biomedical/imaging/terahertz-imaging-ccds-better-and-cheaper-than-bolometer-arrays Posted from WordPress for Android →
http://spectrum.ieee.org/tech-talk/biomedical/devices/new-theory-leading-to-gigahertz-antenna-on-a-chip-is-questioned Posted from WordPress for Android →
http://m.phys.org/news/2015-06-people-wifi.html This looks like an interesting idea. Posted from WordPress for Android →
http://spectrum.ieee.org/telecom/wireless/electronic-noise-is-drowning-out-the-internet-of-things Posted from WordPress for Android →
http://mobile.geek.com/latest/257592-a-32-dollars-hacking-tool-can-open-your-garage-door-and-unlock-your-car?origref= Cheap hardware can mess up with the security of rf remote locks that use “secure” rolling code system… for example open car door. Posted from WordPress for Android →
Almost anybody can grab a USB TV tuner card and start monitoring the airwaves. To be able to do radio transmissions legally you’ll need your amateur radio license and suitable equipment. There is wide variety of equipment you can buy and build. On new interesting new radio kit is HamShield I saw mentoned at HamShield →
http://spectrum.ieee.org/automaton/robotics/robotics-hardware/mobile-robots-and-rfid-tags-internet-of-thingsify-the-outdoors Posted from WordPress for Android →
Yesterday I posted about Wifi to power IoT. It proved that WiFi can send out energy that can power small electronics gadgets. But what else does that energy cause. We all know electronics that can get interference from cellular phones and other radio transmitters. WiFi devices (tablets, smart phones, IoT, base stations) all transmit RF →