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Vine, a short-form video sharing service where users can share six-second-long looping video clips, is founded by Dom Hofmann, Rus Yusupov, and Colin Kroll. [43] [44] 2012 December Companies Snapchat adds the ability to send video snaps in addition to photos. [45] 2013 June 13 Product Instagram launches video sharing. [46] 2015 January 27 Products
At long irregular intervals, Earth's biosphere suffers a catastrophic die-off, a mass extinction, [9] often comprising an accumulation of smaller extinction events over a relatively brief period. [10] The first known mass extinction was the Great Oxidation Event 2.4 billion years ago, which killed most of the planet's obligate anaerobes.
The projector had a corresponding triad of lenses. To reduce the strain imposed on the film as the mechanism in each device pulled it down three frames at a time, frame height was reduced from the usual four film perforations to three, resulting in a widescreen image format identical with the modern 16:9 aspect ratio.
The use of drag in this sense appeared in print as early as 1870 [5] [6] but its origin is uncertain. One suggested etymological root is 19th-century theatre slang, from the sensation of long skirts trailing on the floor. [7] It may have been based on the term grand rag which was historically used for a masquerade ball. [8]
As 'Drag Race' celebrates 200 episodes, it's time to reflect on its legacy—and how it has thrived in an era when so many others are railing against it.
The Images of Change project provides side-by-side photos of the same place over time to document the environment changes caused by nature and man. NASA's before and after images show Earth's ...
The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga. [2]: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, [34] [35] [36] soon after the formation of the Earth's crust and the Earth itself.
Land emerged from the water in the early 1970s and has expanded about a square mile every year since. Number 6 . Australia's disappearing and reappearing Lake Mackay.