DIY Overclocked Flashlight—An Arsonist's Dream

Got an arsonist in your family and have no idea what to get him or her this holiday season? Why not build an overclocked Maglite capable of actually burning objects? This Maglite hybrid uses a Osram Sylvania light bulb "overclocked" to 80 times its standard luminosity. Power the sucker up with 12 1200mV NiMH batteries and you have a Christmas tree fire waiting to happen.

Killer Flashlight Will Burn Your House Down [CrunchGear]


I wonder how far away you can be and if it's just the heat of the bulb that's lighting the paper or if its the light.