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  2. Gamma ray - Wikipedia

    en.wikipedia.org/wiki/Gamma_ray

    With frequencies above 30 exahertz (3 × 10 19 Hz) and wavelengths less than 10 picometers (1 × 10 −11 m), gamma ray photons have the highest photon energy of any form of electromagnetic radiation. Paul Villard, a French chemist and physicist, discovered gamma radiation in 1900 while studying radiation emitted by radium.

  3. World Trade Center (1973–2001) - Wikipedia

    en.wikipedia.org/wiki/World_Trade_Center_(1973...

    For his unauthorized feat 1,312 feet (400 m) above the ground, he rigged a 440-pound (200 kg) cable and used a custom-made 30-foot-long (9.1 m), 55-pound (25 kg) balancing pole. He performed for 45 minutes, making eight passes along the wire. [ 15 ]

  4. Big Bang - Wikipedia

    en.wikipedia.org/wiki/Big_Bang

    Negative pressure is believed to be a property of vacuum energy, but the exact nature and existence of dark energy remains one of the great mysteries of the Big Bang. Results from the WMAP team in 2008 are in accordance with a universe that consists of 73% dark energy, 23% dark matter, 4.6% regular matter and less than 1% neutrinos. [42]

  5. Fracking in the United States - Wikipedia

    en.wikipedia.org/wiki/Fracking_in_the_United_States

    The ban received 59% support [314] and the city became the first in Texas to ban fracking. The fight between the two sides was strong: the anti-ban group 'Denton Taxpayers for a Strong Economy raised nearly $700,000 to campaign against the ban, most of it from gas and oil companies XTO Energy, Devon Energy and Enervest. [315]

  6. White House COVID-19 outbreak - Wikipedia

    en.wikipedia.org/wiki/White_House_COVID-19_outbreak

    A 72-hour timeline would suggest that Trump actually knew he had the infection on September 30, but proceeded with his plans for a public rally that evening and a fundraiser on October 1. [160] Conley later clarified that he had meant "day three" instead of "72 hours", referring to the then-current time of Saturday morning compared to the ...

  7. 1 - Wikipedia

    en.wikipedia.org/wiki/1

    1 (one, unit, unity) is a number, numeral, and glyph. 1 is the first and smallest positive integer of the infinite sequence of natural numbers.This fundamental property has led to its unique uses in other fields, ranging from science to sports, where it commonly denotes the first, leading, or top thing in a group. 1 is the unit of counting or measurement, a determiner for singular nouns, and a ...

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