Energy that does not produce CO2 or other emissions that affect the climate. Typical examples are wind and solar power and are also referred to as renewable energy sources. Many of these energy sources have become cheaper to produce and run than many fossil fuel powered energy sources. A key…
Fusion Energy
The retina at the back of the eye is a complex part of the eye, and its job is to turn light into signals about the images on its surface that the brain can understand. Only the retina is light sensitive, and it is roughly the area of a 10p…
Sunlight White light from the Sun is fundamental to human colour vision, but it can be split into all the colours of the rainbow. The light waves are refracted (bent) as they enter and leave the prism. The shorter the wavelength of the light the more it is refracted, so…
In cosmology understanding black holes is a crucial area of study and ultimately may lead to resolving one of the biggest mysteries in physics, the combination of quantum mechanics and general relativity. The simplest black holes are formed from collapsed stars. When a star runs out of its fuel and…
Sir Roger Penrose OM FRS, was born in Colchester 8th August 1931, the son of Margaret (Leathes) and Lionel Penrose – psychiatrist and geneticist.
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