When an animal can survive for longer, there's a selection for genes that provide longevity, because they can provide a real advantage, Jay Olshanksy, a public health researcher who studies aging, told me last year for an article about the naked mole rat, a rodent that can live for up to 30 years.
This is it, the 5.11 Tactical Series Light for Life PC3.300 flashlight. Unique to this flashlight is that it uses Advanced Capacitors, rather than batteries, to store energy. With a charge time of only 90 seconds and low weight, the Light for Life PC3.300 promises many improvements over conventional power sources. Key Specifications
On top of this, some bulb makers are claiming a life of up to 15,000 hours for their LED headlamps. Touch a halogen bulb or xenon globe when itâs on and youâll likely recoil in pain from the intense heat, but with LED headlights youâll struggle to break a sweat. Therein lies their great advantage, they convert most of the energy directed to them into light not heat.