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October 28, 2008

UCLA researchers use Scotch tape to produce X-rays

Thomas H. Maugh II in the Los Angeles Times:

Screenhunter_02_oct_28_0919In an unexpected finding that could have applications in medicine and elsewhere, UCLA researchers have found that unspooling a simple roll of Scotch tape produces X-rays -- enough to produce clear images of their fingers.

The discovery could eventually lead to, among other things, compact X-ray sources that could be used for treating cancer, according to a study published Thursday in the journal Nature.

Although the researchers suspected that the process might produce X-rays, they were astounded by their intensity and duration, said Seth Putterman, a UCLA physicist and lead author of the study. "We're marveling at Mother Nature."

The phenomenon is known as triboluminescence and is similar to what causes sparks of light to be emitted when one bites on wintergreen-flavored LifeSavers in the dark. The process is not entirely understood but may involve, in part, a separation of charges during the rubbing of two materials together or the separation of the tape.

More here.  [Thanks to Winfield J. Abbe.]

Posted by Abbas Raza at 04:21 AM | Permalink

Comments

Doesn't work with duct tape, however, so Macgyver could have not been able to construct a laser in this manner.

Posted by: Carlos | Oct 28, 2008 6:15:23 AM

Isn't the world magical! Here are some nice photos from NYT:
http://www.nytimes.com/slideshow/2008/10/27/science/102808-XRay_index.html

Posted by: Stefany | Oct 28, 2008 11:34:34 AM

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