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Sticky Tape Found To Emit Terahertz Radiation

Anonymous Coward writes | more than 5 years ago

Medicine 0

An anonymous reader writes "

WILL sticky tape ever cease to amaze? Peeling it can generate terahertz radiation, raising the possibility of a cheaper alternative to lasers for medical imaging. Peeling sticky tape has already been shown to produce X-rays, so Joseph Horvat and Roger Lewis of the University of Wollongong in New South Wales, Australia, tried to see if it could create lower-frequency terahertz radiation. "We were rather pleasantly surprised to obtain a clear signal in our first attempt," says Horvat. Strongly adhesive Scotch Magic 810 tape and weakly adhesive electrical tape both yielded strong terahertz signals, ranging from 0.1 to 10 terahertz, but only about a microwatt of power, too little for practical use (Optics Letters, vol 34, p 2195). Horvat says that refinements should increase the power by orders of magnitude.

It may be old news to /. that it had been proved to produce xrays but watching the linked video where they use tape to expose X-ray film was pretty amazing. Wonder what would happen if they used Duct tape"
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