How to enjoy the solar eclipse safely
Most people underestimate how much light a pair of sunglasses blocks out. A typical dark pair removes around 80% to 90% of the visible light reaching the eye.
Most people underestimate how much light a pair of sunglasses blocks out. A typical dark pair removes around 80% to 90% of the visible light reaching the eye. This story matters for Science & Discovery readers tracking student. Reported by phys.org. Read the full original at the source link below.
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