Free Republic

Despite 50 years of research on high-power microwaves, the US military has yet to produce a usable weapon. For some Pentagon officials, the demonstration in October 2007 must have seemed like a dream come true — an opportunity to blast reporters with a beam of energy that causes searing pain. The event in Quantico, Virginia, was to be a rare public showing for the US Air Force's Active Denial System: a prototype non-lethal crowd-control weapon that emits a beam of microwaves at 95 gigahertz. Radiation at that frequency penetrates less than half a millimetre into the skin, so the beam...

Quick, Make Like an AntApril 5, 2009 — Ants deserve a lot of respect, despite being a nuisance in the kitchen.  The very fact they are so effective at bugging us is a testament to their ingenuity in foraging, communicating and organizing themselves into successful colonies.  We might just gain some valuable knowledge by watching them more closely. Foraging: Live Science says that ants forage haphazardly, but there might be a method to their madness.  Anyone who has watched ant scouts on the kitchen sink knows they seem to go this way and that without a plan.  Why don’t they...