The word geek is a slang term originally used to describe eccentric or non-mainstream people; in current use, the word typically connotes an expert or enthusiast or a person obsessed with a hobby or intellectual pursuit, with a general pejorative meaning of a "peculiar person, especially one who is perceived to be overly intellectual, unfashionable, boring, or socially awkward".
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Chandrayaan-2's launch put on hold, ISRO to announce next date soon. A technical snag was observed in launch vehicle system at T-56 minute the officials put on hold the countdown.
Minutes ahead of its scheduled early Monday launch, the Indian Space Research Organization (ISRO) called off India's second mission to the moon Chandrayaan-2. A revised launch date for the mission would be announced later, said the national space agency in a Twitter post.
The mission was originally scheduled for launch at 2:51 am on Monday from Satish Dhawan Space Centre, Sriharikota in Andhra Pradesh. While all preparations were done, with the filling of liquid hydrogen and oxygen in the launch vehicle completed, the launch was put on hold around 2:30 am. https://twitter.com/isro/status/1150520298761936896
Gallium is a chemical element with the symbol Ga and atomic number 31. Elemental gallium is a soft, silvery blue metal at standard temperature and pressure; however in its liquid state it becomes silvery white. If too much force is applied, the gallium may fracture conchoidally. It is in group 13 of the periodic table, and thus has similarities to the other metals of the group, aluminium, indium, and thallium. Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores and in bauxite.Elemental gallium is a liquid at temperatures greater than 29.76 °C (85.57 °F), above room temperature, but below the normal human body temperature of 37 °C (99 °F). Hence, the metal will melt in a person's hands.