Oooh, toys! (RF jammer and TV-B-Gone kit)

[ibneko]

A self-tuning portable RF (cellphone) jammer:
http://www.ladyada.net/make/wavebubble/

And they're opening up TV-B-Gone as "open source" and selling kits now. (presale)
http://www.tvbgone.com/cfe_tvbg_buy.tvbgkit.php