Search results
Results from the WOW.Com Content Network
Yoked prism can move the image away from primary gaze without the need for a constant head tilt or turn. Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex.
Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.
Button, coin, or watch cells. A button cell, watch battery, or coin battery is a small single-cell battery shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high – resembling a button. Stainless steel usually forms the bottom body and positive terminal of the cell; insulated from ...
Say, for example, that you backed your minivan into your neighbor’s driveway gate and smashed your taillight — twice. Ahem. Instead of making an appointment at the dealership, you can type ...
This essence or the ability to dress while being an inhabitant of a world you’ve created while also trying to camouflage into the background of it is a far tougher feat than just looking good ...
Her late Golden Retriever, Tao was the most adventurous blind dog, and it was all thanks to his buddy Oko. Together, these two pups could do almost anything. Even though Tao is no longer ...
The Hamilton Watch Company would be the first to produce and retail an electric watch beginning in 1957, before the commercial introduction of the quartz wristwatch in 1969 by Seiko with the Astron. Their timekeeping element was either a traditional balance wheel or a tuning fork , driven electromagnetically by a solenoid powered by a battery . [2]
Atlanta remains under a state of emergency Monday as it battles disruptions to its water service that first began last week, leaving a swath of a major city under boil water advisories and ...