-
Sphere (also
called Sphere at the
Venetian Resort) is a
music and
entertainment arena in Paradise, Nevada,
United States, east of the Las
Vegas Strip....
- Twin
Laboratories (UK) Ltd. were
purchased for $65
million by
IdeaSphere Inc.
Ideasphere also
known as ISI brands, and
which also
operated as Twinlab,...
- A
Dyson sphere is a
hypothetical megastructure that encomp****es a star and
captures a
large percentage of its
power output. The
concept is a
thought experiment...
- The
celestial spheres, or
celestial orbs, were the
fundamental entities of the
cosmological models developed by Plato, Eudoxus, Aristotle, Ptolemy, Copernicus...
- The
idea of a
sphere-world was
constructed by
French mathematician Henri Poincaré who,
while pursuing his
argument for
conventionalism (see philosophy...
- In
differential topology,
sphere eversion is the
process of
turning a
sphere inside out in a three-dimensional
space (the word
eversion means "turning...
- In mathematics, a
hypersphere or 3-
sphere is a 4-dimensional
analogue of a
sphere, and is the 3-dimensional n-
sphere. In 4-dimensional
Euclidean space...
- In the
field of
international relations, a
sphere of
influence (SOI) is a
spatial region or
concept division over
which a
state or
organization has a level...
-
armillary sphere (variations are
known as
spherical astrolabe, armilla, or armil) is a
model of
objects in the sky (on the
celestial sphere), consisting...
- In
astronomy and navigation, the
celestial sphere is an
abstract sphere that has an
arbitrarily large radius and is
concentric to Earth. All
objects in...