Tags archives: laser

 

How New Light Based Technologies Can Minimize the Signs of Long-Term Sun Damage

  Not all lights are created equal. Some are visible to the human eye as colors. Others, though not perceivable, produce long-lasting biological effects. For example, ultra-violet (UV) light (10-400 nm), which comes to us in the flavors of UVA, UV B, and UVC (though little of the latter reaches the earth), is well known [...]