So far so good—but what happens with something like an electric toothbrush, which has no power lead to plug into the wall? When you stand the toothbrush on its charger, how does the electricity flow from its plastic-coated base into the battery inside the brush when plastic is an ...
The solution could be electric cars that get their energy from cleaner sources of power or hybrid cars that use a combination of electricity and gasoline power. So why do we still use gasoline? There's a very good reason why the overwhelming majority of cars, trucks, and other vehicles on...
Hybrid cars are vehicles that are powered by both gasoline and electrical motors, allowing them to consume less fuel and therefore pollute less. But stereotypically, people drive them so that they can feel superior to others about having reduced their emissions, and that's exactly whatMegansays, ...
General Motors has learned some hard lessons in the raft of Bolt fires, even as a measure of disagreement still exists over where the fault lies.
If you have an energy-efficient shower, it might have a heat exchanger installed in the wastewater outlet. As the water drips past your body and down the plug, it runs through the copper coils of a heat exchanger. Meanwhile, cold water that's feeding into the shower to be heated pumps ...
adapter that allows a laptop to hook up to a cellphone network. Technically, it's an HSDPA broadband wirelessmodem—but the phone companies call them "dongles". The dongle simply plugs into your laptop's USB socket and has its own SIM card and software built in, so it's truly plug-and...