The red, green and blue components of the signal are fed into three separate high-definition cathode-ray tubes (in effect, fancy black-and-white televisions).

ECONOMIST: Curtains for celluloid

Although he accepts some neuroscientists (and the journalists who report their work), may have been guilty of overestimating the power of their findings, the Director of UCL's Institute for Cognitive Neuroscience Professor geraint Rees believes Ray Tallis is also guilty of exaggerating for effect.

BBC: Brain research's 'golden age'

But if Svensmark was correct, it would mean that periods of high solar output should coincide with reduced cloud formation (due to reduced cosmic ray incidence), which in turn would have a warming effect on the Earth, since less sunlight would be reflected back into space by clouds.

FORBES: Did CLOUD Just Rain on the Global Warming Parade?