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TIL : The Hypodermic Needle Theory is a linear communication theory which suggests that media messages are injected directly into the brains of a passive audience. It suggests that we're all the same and we all respond to media messages in the same way.

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D1nQr TIL that some unmanned spacecraft don’t have colour cameras because they get a higher resolution if it’s black and white and because less information had to be transmitted, thus saving the space crafts power supply and is significantly deceases the time it takes to transmit the data back to earth.
m1rZM TIL that the sayings "in the first place" "in the second place" stems from the method of loci, a collection of mnemonic techniques for memory enhancement
ADRAo TIL Ancient Romans used flying penis amulets to protect them and their children from illness
7gO TIL that the Ancient Olympic Games were held for over 1000 years from 776 BC until 394 AD, when the last emperor of the Roman Empire suppressed the Games as part of his effort to end all “pagan cults and practices” and impose Christianity as a state religion.
XkQP TIL In 2010 Feminist Claire Perry unsuccessfully tried to pressure ISPs into automatically blocking pornography, forcing users to “opt-in”. She is the current ‘Porn Advisor’ to David Cameron