Increasing the voltage
Lithium-ion batteries are lighter, last longer, and their 3.6 volts are triple the voltage of the nickel-metal-hydride batteries they replace.
Lithium-ion batteries are lighter, last longer, and their 3.6 volts are triple the voltage of the nickel-metal-hydride batteries they replace.
How some veterans of the wars in Iraq and Afghanistan are helping turn around a drug-infested neighborhood of Baltimore – and themselves.
What happens when ordinary people decide to pay it forward? Extraordinary change. See how individuals are making a difference...
Pastor Jean Enock Joseph (c.) visits one of his projects in Croix-des-Bouquets, just outside Port-au-Prince, Haiti’s capital.
Jean Enock Joseph teaches self-help to lift Haiti
Pastor Jean Enock Joseph doesn't shy from Haiti's toughest problems. His message: Haitians have the ability to help themselves.
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