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However, if the eyes are exposed to a high enough level of light, such as a nuclear explosion, the blindness can become permanent. Flash blindness may also occur in everyday life. For example, the subject of a flash photograph can be temporarily flash blinded. This phenomenon is leveraged in non-lethal weapons such as flash grenades and laser ...
Direct strike: lightning directly hits the person Orifice entry: may occur if lightning strike occurs near the head entering eyes, ears and mouth to flow internally; Side splash: lightning jumps from the location of primary strike to a nearby person; Contact injury: injury that occurs when a person is touching an object on the pathway of lightning
Under optimum conditions, the most intense thunderstorms can be seen at up to 100 miles (160 km) over flat terrain or water when the clouds are illuminated by large lightning discharges. However, an upper limit of 30–50 miles (48–80 km) is more common due to topography, trees on the horizon, low to mid-level clouds, and the fact that local ...
We walked into the house about 8:30 at night. It was almost dark – not completely – which perhaps was why we didn't notice that the lights weren't operating at full strength. The floor ...
The weather service also highlights that lightning “will travel through the wiring and plumbing if your building is struck.” If you are outside when the storm hits, “do not lie on the ground ...
Photopsia can present as retinal detachment when examined by an optometrist or ophthalmologist. However, it can also be a sign of uveal melanoma. This condition is extremely rare (affecting 5–7 per 1 million people, typically fair-skinned, blue-eyed northern Europeans). Photopsia should be investigated immediately.
Lightning is a natural phenomenon, more specifically an atmospheric electrical phenomenon. It consists of electrostatic discharges occurring through the atmosphere between two electrically charged regions, either both existing within the atmosphere or one within the atmosphere and one on the ground, with these regions then becoming partially or wholly electrically neutralized.
Thunder is the sound caused by lightning. [1] [2] [3] Depending upon the distance from and nature of the lightning, it can range from a long, low rumble to a sudden, loud crack. The sudden increase in temperature and hence pressure caused by the lightning produces rapid expansion of the air in the path of a lightning bolt. [4]
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