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  2. Thermal expansion - Wikipedia

    en.wikipedia.org/wiki/Thermal_expansion

    Thermal expansion is the tendency of matter to change its shape, area, volume, and density in response to a change in temperature, usually not including phase transitions. [1] Temperature is a monotonic function of the average molecular kinetic energy of a substance.

  3. List of smoking bans - Wikipedia

    en.wikipedia.org/wiki/List_of_smoking_bans

    On 30 July 2012, Interior Minister Prince Ahmed bin Abdulaziz ordered the implementation of a royal ban on smoking in all government facilities (ministries, buildings, institutions, offices etc.) and most indoor public places. The ban also prohibits smoking of hookahs in public places, and prohibits selling tobacco to anyone under 18.

  4. Gamma ray - Wikipedia

    en.wikipedia.org/wiki/Gamma_ray

    A gamma ray, also known as gamma radiation (symbol. γ. ), is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves, typically shorter than those of X-rays. With frequencies above 30 exahertz ( 3 × 1019 Hz) and wavelengths less than 10 ...

  5. Credit default swap - Wikipedia

    en.wikipedia.org/wiki/Credit_default_swap

    Credit default swap. A credit default swap ( CDS) is a financial swap agreement that the seller of the CDS will compensate the buyer in the event of a debt default (by the debtor) or other credit event. [1] That is, the seller of the CDS insures the buyer against some reference asset defaulting.

  6. Smoking in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Smoking_in_the_United_Kingdom

    As recently as 1974, 45% of the British population smoked. This was down to 30% by the early 1990s, 21% by 2010, and 19.3% by 2013, the lowest level recorded for eighty years. An annual No Smoking Day has occurred in March since 1984. In 2015, it was reported smoking rates in England had fallen to just 16.9%, a record low.

  7. 1984 (advertisement) - Wikipedia

    en.wikipedia.org/wiki/1984_(advertisement)

    Budget. $370,000 – $900,000. " 1984 " is an American television commercial that introduced the Apple Macintosh personal computer. It was conceived by Steve Hayden, Brent Thomas, and Lee Clow at Chiat/Day, produced by New York production company Fairbanks Films, and directed by Ridley Scott. The ad was an allusion to George Orwell 's noted ...