If you choose to use the touch function, just remember that you won’t be able to use a fixture type that has a cover over the bulb, since this will make the switch inaccessible.

An entire building’s worth of concrete to power a light bulb may not seem so impressive, but Zhang says to think beyond that single building to all the concrete structures around the world.

The electrical energy from the battery has been used to make the lamp turn on. The energy has been transferred to the lamp as light and heat. When all the energy in the battery has been used, the ...

Feit suggests the light be left on for at least 10 hours per week to keep the battery fully charged. Christopher Null. Compared to a standard size bulb, the Feit Battery Backup reveals its extreme ...