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2. Eyeglass prescription - Wikipedia

   en.wikipedia.org/wiki/Eyeglass_prescription

   Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.

3. Eyewear - Wikipedia

   en.wikipedia.org/wiki/Eyewear

   The Italian eyewear firm pulled Ray-Ban across all of the United States in order to re-engineer the product and markup Ray-Ban as a premium sunglasses brand, pushing for a global expansion afterwards; Luxottica additionally pushed Ray-Ban into far Eastern markets to diversify the brand's appeal beyond the Western World. [26]

4. Ultra-high-energy gamma ray - Wikipedia

   en.wikipedia.org/wiki/Ultra-high-energy_gamma_ray

   The high-energy particles then go on to produce more lower energy photons that can suffer the same fate. This effect creates a beam of several 10 17 eV gamma ray photons heading in the same direction as the original UHE photon. This beam is less than 0.1 m wide when it strikes the atmosphere.

5. Hubble Space Telescope - Wikipedia

   en.wikipedia.org/wiki/Hubble_Space_Telescope

   The Hubble Space Telescope (HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most versatile, renowned as a vital research tool and as a public relations boon for astronomy.

6. Cadmium - Wikipedia

   en.wikipedia.org/wiki/Cadmium

   Cadmium oxide was used in black and white television phosphors and in the blue and green phosphors of color television cathode ray tubes. [53] Cadmium sulfide (CdS) is used as a photoconductive surface coating for photocopier drums. [54] Cadmium sulfide. Various cadmium salts are used in paint pigments, with CdS as a yellow pigment being the ...

7. Rockwell B-1 Lancer - Wikipedia

   en.wikipedia.org/wiki/Rockwell_B-1_Lancer

   The Rockwell B-1 Lancer [b] is a supersonic variable-sweep wing, heavy bomber used by the United States Air Force.It has been nicknamed the "Bone" (from "B-One"). [2] [3] As of 2024, it is one of the United States Air Force's three strategic bombers, along with the B-2 Spirit and the B-52 Stratofortress.