National Anti-Junk Light Day 2023: Date, History, Facts about Lasers

National Anti-Junk Light Day is observed annually on 10 September and was created in 2018 to raise awareness about the hazards of the everyday lights we use. The invention of smart screens and LED lights has underlying health effects that are frequently neglected.

Theoretically, extended hours of light could make humans more productive if their output increases; however, overexposure to useless light can have negative effects ranging from disturbed sleeping patterns to eye defects. On National Anti-Junk Light Day, more individuals are urged to reduce their daily usage of junk lighting.

The background of National Anti-Junk Light Day

Johann Wilhelm Ritter, a German physicist, first identified blue light as a form of ultraviolet radiation in 1801. In the nineteenth century, it was renamed ultraviolet radiation from its previous name, chemical rays.

Blue light has been proposed as a potential cause of age-related macular degeneration, despite a lack of supporting scientific evidence. Currently, a 2019 report from France’s Agency for Food, Environmental, and Occupational Health and Safety (ANSES) supports the 2010 finding that exposure to blue LED light can cause vision impairment. It emphasises the short-term impacts on the retina associated with intense exposure to blue LED light, as well as the long-term effects associated with the onset of age-related macular degeneration.

Harvard Health Publishing reports that exposure to blue light at night has a more detrimental effect on sleep. This report is supported by a 2016 American Medical Association article highlighting the negative health effects of unrestricted public LED lighting usage.
According to a press release issued by the American Medical Association on June 14, 2016, the pervasive use of LED street lighting has negative health effects.

Although additional research is necessary to determine how much blue light from natural and artificial sources, such as sunlight and digital devices, is “too much blue light” for the retina, many eye care professionals are concerned. Exposure to blue light from computer displays, smartphones, and other digital devices may increase a person’s risk of developing age-related macular degeneration. Therefore, protecting your eyes from excessive blue light is a secure practise.

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EVERYONE MUST SEE THESE 5 ENLIGHTENING FACTS ABOUT LASERS

In addition to heating atoms, lasers can also be used to chill atoms to extremely low temperatures.

Scientists discovered that by measuring variations in the approximate position from the actual position of a star using light waves, the star’s mass can be determined.

Due to the fact that malaria affects red blood cells and laser beams interact with red blood cells, medical professionals can accurately diagnose malaria infections within 30 minutes.

Creating ultrasonic sound waves in a body of water results in the formation of air pockets that are capable of emitting minute flashes of light.

Recent investigations have discovered that hitting broken-up air molecules with ultraviolet rays can cause the atoms to give off laser-like light.

NATIONAL ANTI-JUNK LIGHT DAY DATES

Year	Date	Day
2023	September 10	Sunday
2024	September 10	Tuesday
2025	September 10	Wednesday
2026	September 10	Thursday
2027	September 10	Friday