I love flashlights, no doubt about it. I’m not sure why, either. I guess they bring back memories of my Boy Scout days and the motto “Be Prepared”. Surely a flashlight and a good knife are two of the ...

I tested the Streamlights PROTAC HL® 4 HIGH LUMEN TACTICAL LIGHT, a dual power hand torch that throws can throw a beam out to 346 meters. The PROTAC HL® 4 is 8.63 inches long and weighs 1.1 lbs. It is ...

Even in today’s world of smartphones, tablets, and smartwatches, the miniaturization of technology is limited by power demand. No matter how small we can make the circuitry, the batteries still have ...