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  2. Optical relief - Wikipedia

    en.wikipedia.org/wiki/Optical_relief

    Optical relief (usually noted as simply relief) is a visually observable property in optical mineralogy used to identify minerals based on their refractive index. Relief is determined by observing the degree to which grains stand out from a mounting medium of known refractive index, [ 1 ] usually either oil or Canada Balsam .

  3. 2021 Uttarakhand flood - Wikipedia

    en.wikipedia.org/wiki/2021_Uttarakhand_flood

    A subsequent analysis by Carbon Brief highlighted how though climate change probably didn't directly cause the outburst – instead a landslide or similar geological change triggered it – however, the environmental changes caused by climate change probably contributed to the geographic conditions that allowed for the disaster.

  4. Nail biting - Wikipedia

    en.wikipedia.org/wiki/Nail_biting

    Nail biting, also known as onychophagy or onychophagia, is an oral compulsive and unhygienic habit of biting one's fingernails.It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking.

  5. 2023 Sikkim flash floods - Wikipedia

    en.wikipedia.org/wiki/2023_Sikkim_flash_floods

    The government of Sikkim declared the flood a disaster, and the Indian central government released ₹48 crore ($5.76 million) in disaster relief funds. [a] [10] [13] Additionally, the state government announced an ex-gratia compensation of ₹4 lakh ($4804) to the families of those who died, as well as an immediate payment of ₹2,000 ($24) to those in relief camps. [14]

  6. Great Bengal famine of 1770 - Wikipedia

    en.wikipedia.org/wiki/Great_Bengal_famine_of_1770

    The Bengali name Chiẏāttôrer mônnôntôr is derived from Bengali calendar year 1176 and the Bengali word meaning famine. [a]The regions in which the famine occurred affected the modern Indian states of Bihar and West Bengal in particular, but the famine also extended into Orissa and Jharkhand as well as modern Bangladesh.

  7. Hydrogen embrittlement - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_embrittlement

    Gaseous hydrogen is molecular hydrogen and does not cause embrittlement though it can cause hot hydrogen attack (see below). It is the atomic hydrogen from chemical attack which causes embrittlement because the atomic hydrogen dissolves quickly into the metal at room temperature. [6] Gaseous hydrogen is found in pressure vessels and pipelines.

  8. Cause and Effect (Star Trek: The Next Generation) - Wikipedia

    en.wikipedia.org/wiki/Cause_and_Effect_(Star...

    "Cause and Effect" is the 18th episode of the fifth season of the American science fiction television series Star Trek: The Next Generation, the 118th overall. It was originally released on March 23, 1992, in broadcast syndication .

  9. Causes of climate change - Wikipedia

    en.wikipedia.org/wiki/Causes_of_climate_change

    The scientific community has been investigating the causes of climate change for decades. After thousands of studies, it came to a consensus , where it is "unequivocal that human influence has warmed the atmosphere, ocean and land since pre-industrial times."