How to view the solar eclipse safely - and without glasses
The most important message is never to look directly at the Sun, even through sunglasses or dark material such as a bin liner or photographic negative. Makeshift filters may not screen out the harmful infrared radiation that can burn the retina of the eye. Here are some of the best safe methods of observing the magical moment when the Moon moves in front of the Sun./ Cover a small flat mirror with paper that has a small hole cut in it. The hole does not have to be circular but should be no wider than 5mm. A larger hole will produce a ...
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