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
YOU CANNOT DISCHARGE A START CAPACITOR LIKE A RUN CAPACITOR WITH A SCREWDRIVER! Many / most of the time, the start capacitor will have a bleed resistor attached. Switch the ohmmeter to the Volts AC position. To discharge the start capacitor, use your multimeter in the volts AC mode. Touch the leads, one each, to the capacitor's terminal connectors. Hold the leads in place to discharge the capacitor of any power. The meter may register some form of voltage value, but should soon dissipate down to zero volts. When the start capacitor has been fully discharged, switch the meter to the Ohms position on the meter's switch. Remove the red lead from the Volts connector and place it into the ohms connector. Touch the two leads to the two terminals of the capacitor. The resistance reading should begin at zero ohms and then slowly climb in the resistance-reading display. This indicates that the capacitor is storing a small electric charge from the meter. The capacitor is good. The capacitor is bad and should be replaced if: 1.If the meter immediately shows a very high resistance reading, in which case the capacitor has an open in the circuit. 2.If the meter remains at zero ohms and does not climb in the reading.