Dentists agree that soft-bristles are a necessary component for an effective toothbrush. The use of nylon bristles instead of different kinds of animal hair completely changed not only the toothbrush, but also the way in which a toothbrush is made. During the manufacturing process bristles are folded over and put into place automatically. The bristles are then attached to the plastic body of the toothbrush with very small staples. Once the bristles are in place, the body and bristles of the toothbrush are put through a machine, which trims the bristles. At this stage there is an option for diversifying the toothbrush. As we wrote earlier in the “Life with the Toothbrush” different types of bristle design help improve dental hygiene. For example, the machine may cut in a “V-shaped” pattern to create a toothbrush more suitable for those who wear braces.
Eink, E-paper, Think Ink – Collin shares six segments pondering the unusual low-power display technology that somehow still seems a bit sci-fi – http://adafruit.com/thinkink
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