The word 'pixel' is a blend of which two words?
AnswerPicture element
A pixel, short for picture element, is one of the tiny dots that make up a digital image.
Arts · Facts & stats
Pics facts & stats
7 fact-checked facts about pictures and photography, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
One megapixel equals how many pixels?
AnswerOne million
'Mega' means million, so a 12-megapixel image has about 12 million pixels.
Going deeper
The daguerreotype, announced in 1839, was named after which inventor?
AnswerLouis Daguerre
Louis Daguerre's daguerreotype was the first widely used photographic process.
Raising a camera's ISO setting brightens images but usually adds more of what?
AnswerNoise, or grain
Higher ISO amplifies the sensor's signal, which brightens dim scenes but also increases visible noise.
What is a camera obscura?
AnswerA dark room or box where light through a small hole projects an image
Light through a small opening projects an upside-down image on the opposite wall, the principle behind cameras.
Expert level
Who made the oldest surviving camera photograph, 'View from the Window at Le Gras', around 1826-1827?
AnswerJoseph Nicephore Niepce
Niepce captured the view from his estate window on a pewter plate with an exposure lasting hours or even days.
The JPEG image format is named after which group?
AnswerJoint Photographic Experts Group
JPEG is named for the Joint Photographic Experts Group, the committee that created the standard.
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