Light and Optical Technologies

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Light and Optical Technologies

GPS

It can lead you to unsafe places (forests)

Not as accurate

Not as reliable

Doesn't use data

Other functions like maps, weather, camera

Easier than using a map

Helps you get to your location

UV light

UV light is also something I am against

Weakens pestics

Ages skin

Damages immune system and eyes

Causes Sunburn

Causes skin cancer

Useful for disinfection

Aids insect navigations

Helps animal's vision

Helps with mood

Helps with some skin conditions

Produces vitamin D

Laser Hair Remover

Description:

Laser Hair Removal I think should not be done because apart from all the pros, it can cause some serious health problems. It is not also guaranteed that it will remove hair, and they won't come back so your money will go to waste which is $200 per session.

Cons:

High- concentrated light is used

Can also cause acne or other skin condition

Hair may grow faster and thicker

Pros:

Works efficiently

Safe to use

Works on black hair really well

Can be done on any where on your body.

Permanent hair removal