The resulting cascade of electrons and holes is easy to detect, showing that light has struck.
Starting with the tablet itself, it's surprisingly light and easy to hold -- in fact, it's just half the weight of the aging Cintiq 12WX.
ENGADGET: Wacom Cintiq 13HD graphics display hands-on (video)
Also, they're light, easy to carry, generally easier to learn than a smartphone or computer and don't require much typing -- considerable benefits to people with arthritic hands or joints.
Kindle Fire HD solves this air gap problem by laminating the touch sensor and the LCD together into a single layer of glass, creating a display that's easy to view even in overhead light, and reducing glare by 25% relative to iPad 3.
Light, compact and easy to use, the Acer LumiRead is the ultimate travel companion.
ENGADGET: Acer's 6-inch LumiRead to offer Barnes and Noble ebooks, ISBN scanner
The dark menu with white text is easy to read, and the inbox itself is easy on the eyes with a light font.
FORBES: How Does The Gmail iOS App Compare To The Native Mail App?
Moreover, their light weight makes it easy to ship them directly from overseas contract manufacturers to customers in the U.S. market, analysts say.
"When you make it easy on them, they're going to light you up, " New York forward Matt Martin said.
The trains are former two-level 1960s commuter carriages from Chicago, refurbished and redecorated in white, and opened to provide greater natural light and easy sightseeing.
We moved on to one of 1964's big toys: the Easy-Bake Oven, a working oven that used a light bulb to cook treats.
And having sorted the sperm by sex, it is an easy matter to stun the males with a blast of particularly intense light, and then remove them.
The transition to LEDs is, literally, as easy as changing a light bulb, provided the LED lighting is compatible with the existing lighting infrastructure in homes and buildings.
In light of the difficult choices that need to be made, it is easy to understand why the Internal Revenue Code has only been overhauled once since 1954.
FORBES: The Fiscal Cliff And A Call For A Simpler Internal Revenue Code
The iSight camera includes video image stabilization and both cameras feature backside illumination to let users capture great pictures in low light. iPad mini also allows easy sharing of photos with friends and family using iCloud's Shared Photo Streams.
ENGADGET: iPad mini coming to Verizon, AT&T and Sprint in mid-November starting at $459
Robert Peston, the BBC's business editor, said the decision to bail out Bank of America in light of the Merrill Lynch deal was an easy one.
To get Anderson localisation to operate in a random laser has not been easy, mainly because it is hard to find a substance that both acts as a high-gain medium and scatters light very strongly.
Taking professional-looking images is made easy with 19 different integrated Smart Modes, which allow users to choose from a series of preset scenario options such as Light trace or Action freeze to ensure the perfect shot is captured every time.
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