We use UV lights to sanitize medical equipment already. I’ve heard of some offices implementing some UV solutions for cleaning desks and other office surfaces, but nothing new since. Why aren’t we using it in more places? It seems to me to be a cost effective, chemical free, generally *easy* way to disinfect surfaces and objects.
Some examples I thought of would be inside of a refrigerator. These can be full of germs if not properly and regularly cleaned (which many people don’t do) so why not have a UV bulb in there that turns on for a few seconds after the doors close? Or even a cycle that can be scheduled to run each night?
Another would be under cabinet lights in a kitchen. Kitchen counters can be notorious bacteria breeding grounds (the vast majority of food poising cases come from within your own home after all) so why not have some UV light strips underneath that could annihilate all the bacteria automatically?
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UV light kills bacteria etc by essentially blasting it with light until it breaks apart.
To do this, you need the UV light to be of sufficient intensity and duration to kill the bacteria. That means that all surfaces of the object to be sanitized need to be in direct, intense light for a period of time.
The kind of intensity required to sanitize a kitchen counter from cabinet height would be cost-prohibitive at best and likely to blind you at worst.
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