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Visible light definitely does penetrate the skin. A typical light bulb shines through your fingers, making the veins visible: http://www.flickr.com/photos/exqui
by wcoenen 15y ago
Visible light definitely does penetrate the skin. A typical light bulb shines through your fingers, making the veins visible: http://www.flickr.com/photos/exquisitur/2699850137/ http://www.flickr.com/photos/exquisitur/2699850137/
- ars 15y agoAll light does penetrate to some degree. Some photons of light will penetrate steel if your source is bright enough. But it's a question of how much.
- deleted 15y ago[deleted]