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  2. Stelrad - Wikipedia

    en.wikipedia.org/wiki/Stelrad

    Stelrad is a British-based manufacturer of central heating radiators. Its Elite radiator is the most popular radiator in the United Kingdom. History

  3. Com-Pac 16 - Wikipedia

    en.wikipedia.org/wiki/Com-pac_16

    The hull has a spooned plumb stem, a vertical transom, a transom-hung rudder controlled by a tiller and a fixed fin, shoal-draft keel. [ 1 ] [ 3 ] The boat has a draft of 18 in (46 cm) with the standard keel and is normally fitted with a small outboard motor for docking and maneuvering.

  4. Compact space - Wikipedia

    en.wikipedia.org/wiki/Compact_space

    Likewise, spheres are compact, but a sphere missing a point is not since a sequence of points can still tend to the missing point, thereby not getting arbitrarily close to any point within the space. Lines and planes are not compact, since one can take a set of equally-spaced points in any given direction without approaching any point.

  5. Vertical Aerospace - Wikipedia

    en.wikipedia.org/wiki/Vertical_Aerospace

    Vertical Aerospace says that the VX4 is a piloted, zero emissions electric vertical take off and landing (eVTOL) vehicle with an expected range of over 100 miles (160.9 km), capacity for 4 passengers and a pilot, and runs quieter than a helicopter. [21] The proposed aircraft is intended to operate in and out of cities and other confined locations.

  6. Prokhorov's theorem - Wikipedia

    en.wikipedia.org/wiki/Prokhorov's_theorem

    Let (,) be a separable metric space.Let () denote the collection of all probability measures defined on (with its Borel σ-algebra).. Theorem. A collection () of probability measures is tight if and only if the closure of is sequentially compact in the space () equipped with the topology of weak convergence.

  7. What relaxation looks like in one of the world’s hardest ...

    www.aol.com/news/relaxation-looks-one-world...

    Photographer Kim Seunggu documents “leisure culture” in South Korea, a country that recently proposed increasing its maximum working week from 52 to 69 hours and where “gwarosa,” or death ...

  8. Compact operator - Wikipedia

    en.wikipedia.org/wiki/Compact_operator

    A linear map : between two topological vector spaces is said to be compact if there exists a neighborhood of the origin in such that () is a relatively compact subset of . [ 3 ] Let X , Y {\displaystyle X,Y} be normed spaces and T : X → Y {\displaystyle T:X\to Y} a linear operator.

  9. Ordering the ‘Healthiest’ Sandwich? You Might Be Doing It Wrong

    www.aol.com/ordering-healthiest-sandwich-might...

    These stunning Kate Spade purses all cost less than $100