The Yahoo Tech News of July 8 gives some details on a new hacking system with the headline "No One is Safe: $300 Gadget Steals Encryption Keys Out of the Air, and It's Nearly Unstoppable."
At the end of the report it states, "The team plans to present its creation at the Worship on Cryptographic Hardware and Embedded Systems this coming September." An on-line search shows several such workshops scheduled in California and France.