It's not that girls need to see other girls on screen in order to enjoy something.
Various charts are available to show you how far you should sit from a particular size screen in order to maximize the perceived resolution.
Until Ridley Scott's Alien in 1979, when Weaver's Ripley made central female characters a viable alternative, women had mostly appeared on screen in order to be rescued.
It centres on a single dancer, Salah El Brogy, who must pass through a large Perspex screen in order to enter the main stage, as if arriving from a distant epoch.
The Odyssey came with plastic overlays, which could be attached to the television screen in order to imbue games with color and stationary graphics (in the case of Ping-Pong, white lines against the green of a tennis court).
The format was like a televisual version of an Escher drawing, where anyone watching would have to stare really hard at the screen in order to believe what they were seeing.
Although Swanson was not a graduate of the much-maligned Rank Charm School, she was, to her chagrin, often referred to as a "Rank starlet", which implied that she was merely on screen in order to look glamorous.
An example would be watching a radar screen in order to make the earliest possible detection of a blip that might signify the approach of an aircraft or ship.
Last spring, the BBC presented "Over the Rainbow," the flagship broadcaster's latest trial-by-television in which a major West End musical turned to the small screen in order to find its leading lady (or man).
"We can't keep constructing bloated networks and maximizing time on screen in order to serve up a pile of ads," said Gidon Coussin, the founder of Feelday, which offers ideas for family outings organized by mood.
Steel cans ("tin" cans are actually steel with only a thin coating of tin) are removed by an electromagnetic separator, and the remaining material passes over a vibrating screen in order to remove broken glass.
