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Luxottica is a subsidiary of EssilorLuxottica, the world's largest eyewear company, founded by Leonardo Del Vecchio in 1961. It designs, manufactures, distributes, and retails eyewear brands such as Ray-Ban, Oakley, Persol, and many luxury and designer labels.
X-ray optics is the branch of optics that deals with focusing and other ways of manipulating X-ray beams for various techniques. Learn about the principles, methods and applications of X-ray optics, such as X-ray diffraction, X-ray microscopy, X-ray astronomy and more.
Learn about glasses, also known as eyeglasses and spectacles, which are vision eyewear with clear or tinted lenses mounted in a frame. Find out about corrective, safety, sunglasses and other types of glasses, as well as their history and evolution.
A substantial portion of e-cigarette marketing on social media includes price promotions, discounts, coupons, free trials, giveaways, and competitions. [43] These types of incentives can persuade potential consumers to make a purchase and assist vendors to create a loyal customer base, which has already been demonstrated for tobacco. [ 43 ]
A comprehensive overview of smoking bans by country, region and city. Find out where smoking is not allowed in public places, workplaces, transport and vehicles around the world.
Learn about gamma-ray bursts (GRBs), the most powerful and luminous explosions in the universe, observed in distant galaxies. Find out how they were first detected, what are their possible origins and how they could affect life on Earth.
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