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2. X-ray diffraction - Wikipedia

   en.wikipedia.org/wiki/X-ray_diffraction

   Free-electron lasers have been developed for use in X-ray diffraction and crystallography. [27] These are the brightest X-ray sources currently available; with the X-rays coming in femtosecond bursts. The intensity of the source is such that atomic resolution diffraction patterns can be resolved for crystals otherwise too small for collection.

3. List of ray tracing software - Wikipedia

   en.wikipedia.org/wiki/List_of_ray_tracing_software

   Ray tracing is a technique that can generate near photo-realistic computer images. A wide range of free software and commercial software is available for producing these images. This article lists notable ray-tracing software.

4. Coupon (finance) - Wikipedia

   en.wikipedia.org/wiki/Coupon_(finance)

   Coupons are normally described in terms of the "coupon rate", which is calculated by adding the sum of coupons paid per year and dividing it by the bond's face value. [2] For example, if a bond has a face value of $1,000 and a coupon rate of 5%, then it pays total coupons of $50 per year.

5. X-ray specs - Wikipedia

   en.wikipedia.org/wiki/X-ray_specs

   X-ray specs or X-ray glasses are an American novelty item, purported to allow users to see through or into solid objects. In reality, the spectacles merely create an optical illusion; no X-rays are involved. The current paper version is sold under the name "X-Ray Spex"; a similar product is sold under the name "X-Ray Gogs".

6. Ban Ban Springs - Wikipedia

   en.wikipedia.org/wiki/Ban_Ban_Springs

   Ban Ban Springs is located at the junction of the Burnett and Isis highways. The locality is surrounded by the larger locality of Ban Ban. [4]On the southern side of the road junction are the springs from which the community gets its name, being rare springs from which waters flow into the nearby Barambah Creek.

7. Eye protection - Wikipedia

   en.wikipedia.org/wiki/Eye_protection

   There are many different types of eye protection against light suited for different applications. The most common forms of eye protection against light are sunglasses. These primarily protect against UV light from the sun and help increase visibility in bright conditions. They often tend to be fashionable as well as practical.