We've lit candles, we've turned off the lights, everyone is sitting in darkness except for the lights of their candles as the final reading is read.

VOA: special.2009.12.21

And if one buys the Ultra Luxury Package, they will actually be pampered, thanks to such amenities as rear vanity mirrors, climate control, heated and cooled seats, reading lights and an interior air filter.

FORBES: Test Drives

At low speeds, an accelerometer determines the position of the lights by reading the pull of gravity.

CNN: Light-up wheels turn your bike into a 'Tron Cycle'

Mapping nearby features, spotting road edges and lane markings, reading signs and traffic lights and identifying pedestrians is done using a combination of cameras, radar and lidar (which works like radar, but with pulses of light rather than radio waves).

ECONOMIST: Inside story