| In 1895, the German physicist Wilhelm Conrad Röntgen (1845–1923) accidentally discovered a kind of radiation whose nature he could not de...
More about radiation (23)
| Computer users may have noticed that nowadays there are guidelines as to the limits of radiation a monitor may produce. This is sensible s...
| Same people are worried by the contarninarion of the environment by electric fields. A few even speak of 'electrosmog' and are even susp...