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  2. Geomagnetically induced current - Wikipedia

    en.wikipedia.org/wiki/Geomagnetically_induced...

    Geomagnetically induced currents (GIC) are electrical currents induced at the Earth's surface by rapid changes in the geomagnetic field caused by space weather events. GICs can affect the normal operation of long electrical conductor systems such as electric transmission grids and buried pipelines. The geomagnetic disturbances which induce GICs ...

  3. March 1989 geomagnetic storm - Wikipedia

    en.wikipedia.org/wiki/March_1989_geomagnetic_storm

    The geomagnetic storm causing this event is believed to be the result of two separate events known as coronal mass ejections (CME) on March 10 and 12, 1989. [2] A few days before, on March 6, a very large X15-class solar flare also occurred. [3] Several days later, at 01:27 UT on March 13, a severe geomagnetic storm struck Earth.

  4. Carrington Event - Wikipedia

    en.wikipedia.org/wiki/Carrington_Event

    Severe damage to telegraph stations. Part of solar cycle 10. The Carrington Event was the most intense geomagnetic storm in recorded history, peaking on 1–2 September 1859 during solar cycle 10. It created strong auroral displays that were reported globally and caused sparking and even fires in telegraph stations. [1]

  5. Jan Appel - Wikipedia

    en.wikipedia.org/wiki/Jan_Appel

    The GIC worked in contact with other small revolutionary organisations in different countries (like the Ligue des Communistes Internationalistes in Belgium, the group around Bilan, Union Communiste in France, the group around Paul Mattick in the USA etc.), and was one of the most important currents of this period in keeping internationalism ...

  6. Guaranteed investment contract - Wikipedia

    en.wikipedia.org/wiki/Guaranteed_investment_contract

    Guaranteed investment contract. A guaranteed investment contract (GIC) is a contract that guarantees repayment of principal and a fixed or floating interest rate for a predetermined period of time. Guaranteed investment contracts are typically issued by life insurance companies qualified for favorable tax status under the Internal Revenue Code ...

  7. Global Industry Classification Standard - Wikipedia

    en.wikipedia.org/wiki/Global_Industry...

    The Global Industry Classification Standard (GICS) is an industry taxonomy developed in 1999 by MSCI and Standard & Poor's (S&P) for use by the global financial community. The GICS structure consists of 11 sectors, 25 industry groups, 74 industries and 163 sub-industries [1] into which S&P has categorized all major public companies.

  8. Glass ionomer cement - Wikipedia

    en.wikipedia.org/wiki/Glass_ionomer_cement

    Glass ionomer cement. A glass ionomer cement (GIC) is a dental restorative material used in dentistry as a filling material and luting cement, [1] including for orthodontic bracket attachment. [2] Glass-ionomer cements are based on the reaction of silicate glass-powder (calciumaluminofluorosilicate glass [3]) and polyacrylic acid, an ionomer.

  9. List of medical roots, suffixes and prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_roots...

    tumor, mass, fluid collection Greek -μα (-ma), suffix added to verbs to form nouns indicating the result of a process or action; cf. English -tion: sarcoma, teratoma, mesothelioma: omphal(o)-of or pertaining to the navel, the umbilicus: Greek ὀμφαλός (omphalós), navel, belly-button omphalotomy: onco-tumor, bulk, volume Greek ...