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Sphero, Inc. (formerly Orbotix) is an American consumer robotics and toy company based in Boulder, Colorado. Their first product, the Sphero, is a white spherical robot launched in December 2011 capable of rolling around under the control of a smartphone or tablet. [2] [3] A remastered version, the Sphero 2.0, was launched in August 2013. [4]
Coordinate surfaces of the conical coordinates. The constants b and c were chosen as 1 and 2, respectively. The red sphere represents r = 2, the blue elliptic cone aligned with the vertical z-axis represents μ=cosh(1) and the yellow elliptic cone aligned with the (green) x-axis corresponds to ν 2 = 2/3.
In mathematics, a spherical conic or sphero-conic is a curve on the sphere, the intersection of the sphere with a concentric elliptic cone. It is the spherical analog of a conic section ( ellipse , parabola , or hyperbola ) in the plane, and as in the planar case, a spherical conic can be defined as the locus of points the sum or difference of ...
In 2015, Sphero sold over 1 million of the robots. [ 32 ] Other BB-8 merchandising includes household items, [ 33 ] luggage and bags, [ 34 ] [ 35 ] a life-size plush, [ 36 ] a Lego Star Wars playset called Poe's X-wing Fighter, [ 37 ] [ 38 ] Hasbro 's Star Wars: The Force Awakens Takodana Encounter set, [ 39 ] [ 40 ] and other action figures ...
A fact from Sphero appeared on Wikipedia's Main Page in the Did you know column on 9 February 2014 (check views). The text of the entry was as follows: Did you know... that Sphero was initially prototyped with electronics taken from a smartphone? A record of the entry may be seen at Wikipedia:Recent additions/2014/February.
A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters.
Figure 2: Plot of the oblate spheroidal coordinates μ and ν in the x-z plane, where φ is zero and a equals one. The curves of constant μ form red ellipses, whereas those of constant ν form cyan half-hyperbolae in this plane.
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