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In Hermann–Mauguin notation, space groups are named by a symbol combining the point group identifier with the uppercase letters describing the lattice type. Translations within the lattice in the form of screw axes and glide planes are also noted, giving a complete crystallographic space group. These are the Bravais lattices in three dimensions:
NASASpaceflight, often referred to as NSF, is a private aerospace news organization, which operates a YouTube channel, website, and forum, which launched in 2005, as well as various social media channels covering crewed and uncrewed spaceflight and aerospace engineering news.
A space group is called symmorphic (or split) if there is a point such that all symmetries are the product of a symmetry fixing this point and a translation. Equivalently, a space group is symmorphic if it is a semidirect product of its point group with its translation subgroup. There are 73 symmorphic space groups, with exactly one in each ...
Impossible Engineering is a television series produced for Discovery's Science Channel in the US, [1] UKTV's Yesterday in the UK, [2] RMC Decouverte in France, [3] Societe Radio-Canada's Ici Explora in Canada, [3] SVT in Sweden, [4] Discovery Italy in Italy [5] as well as with other broadcasters around the world. The first episode was released ...
Science's first foray into dramatic programming, its premiere on the channel will be simulcast on sister network Discovery Channel. [2] The Critical Eye – An eight-part series examining pseudoscientific and paranormal phenomena. Dinosaur Revolution – A four-part miniseries on the natural history of dinosaurs. The last two episodes were ...
An early review of the series by The Daily Beast posted when only the first two episodes were available reported that "Countdown: Inspiration4 Mission to Space insistently pushes its message from the get-go". That message, according to Time's chief science editor Jeffrey Kluger, is that "Inspiration4 is "a hinge point in history, and will kick ...
They build a space vehicle named the Vulture and Skip and Mel voyage to the Moon, salvage the equipment and return. The remainder of the series has the group embarking on various moneymaking ventures that Harry conceives, few of which involve the Vulture despite its prominence in the opening titles.
Final logo of Space, used from 2013 to 2019. The channel was licensed by the Canadian Radio-television and Telecommunications Commission (CRTC) in 1996. [1] It launched on October 17, 1997 at 6:00 p.m. ET (3:00 p.m. PT), as Space: The Imagination Station, launching under the ownership of CHUM Limited, airing the film Forbidden Planet, followed by a commentary on that film by author Robert J ...