This curious effect is actually due to the detergent we use to wash clothes. Most manufacturers include optical brighteners in their products to get that "whiter than white" they guarantee in their advertising messages. What happens is that these compounds are especially sensitive to ultraviolet light, absorbing and then re-emitting with a bluish hue. Precisely, the black light that many nightclubs use in their lighting has a high ultraviolet component, which makes the fluorescence intense enough to make clothes appear to glow.
Why do white shirts shine at the disco?
Slaves and Disabled: Forced Medical Test Volunteers
The main problem to carry out medical research is to have willing volunteers for it. And if they come out for free, much better. This is the story of unethical behavior in medical research.
How are lightning created?
Summer is synonymous with sun, but also with storms. Who has not contemplated one from the protection that the home gives that electrical display that is lightning?
How global warming will affect astronomy
Astronomical observations around the world will worsen in quality as a result of climate change, according to a new study.
New images of Saturn's rings in stunning detail
New images of Saturn's rings in stunning detail
NASA discovers more than 50 areas that emit exorbitant levels of greenhouse gases
NASA's 'EMIT' spectrometer locates has targeted Central Asia, the Middle East and the US among others.