Leg
A leg is a weight bearing and locomotive structure, usually having a columnar shape. During locomotion, legs function as "extensible struts". The combination of movements at all joints can be modeled as a single, linear element capable of changing length and rotating about an omnidirectional "hip" joint.
As an anatomical animal structure it is used for locomotion. The distal end is often modified to distribute force (such as a foot). Most animals have an even number of legs.
As a component of furniture it is used for the economy of materials needed to provide the support for the useful surface, the table top or chair seat.
Terminology
Many taxa are characterized by the number of legs:
Legs (song)
"Legs" is a song performed by the band ZZ Top from their 1983 album Eliminator. The song was released as a single in 1984 and reached number eight on the Billboard Hot 100 in the United States. The dance mix version of the song peaked at number thirteen on the dance charts. Although all three members of ZZ Top are credited with playing on the track, only Gibbons was actually present; engineer Terry Manning was responsible for all the musical parts save the lead guitar. However, David Blayney (ZZ Top stage manager for 15 years) explains in his bookSharp Dressed Men that the pumping synthesizer effect in "Legs" was introduced in pre-production by Linden Hudson. During the final tracking sessions, Terry Manning (final Eliminator tracking engineer) called Linden Hudson and asked how he did the synth effects for "Legs", although Terry could have easily pulled it off if he needed to. The single remix of “Legs" is much more synthesizer-driven than the album version. Although you can hear a synthesizer throughout the album version, it is toned down. There is also a three-note guitar riff heard throughout most of the album version of "Legs", and it is a minute longer than the single version.
Who's Watching the Kids?
Who's Watching the Kids? is an American sitcom which aired on NBC from September 22, 1978 until December 15, 1978. It was produced by Garry Marshall, who was partly responsible for ratings domination over at rival ABC at the time with his string of hits (Happy Days, its spin-offs Laverne & Shirley and Mork & Mindy, et al.). The series focused on two young Las Vegas showgirls, working and rooming together, who each had a younger sibling living with them.
The series originated as the pilot special Legs, which NBC aired on May 19, 1978.
Synopsis
The titilating sitcom centered around two sexy Las Vegas showgirls sharing their lives together, each with a younger sibling in tow. Raving blonde beauty Stacy Turner (Caren Kaye) and voluptuous brunette Angie Vitola (Lynda Goodfriend) were close friends living their dream as Vegas performers at a local venue, Club Sand Pile. The club may have been third rate, but it was the perfect launching pad for the girls' career aspirations. While Stacy and Angie shared an apartment together, added responsibilities were present from the get-go, since both had custody of their much younger siblings. Living with them were Angie's 15-year-old brother Frankie (Scott Baio) and Stacy's 9-year-old kid sister Melissa (Tammy Lauren). Frankie and Melissa were rambunctious and worldly, and were forever getting into trouble; they loved to cook up schemes that would get them access to everything Sin City had to offer, including, for Frankie (who styled himself as "the Fox") closer opportunities to make time with the other beautiful women who performed at Club Sand Pile.
Helix
A helix (pl: helixes or helices) is a type of smooth space curve, i.e. a curve in three-dimensional space. It has the property that the tangent line at any point makes a constant angle with a fixed line called the axis. Examples of helices are coil springs and the handrails of spiral staircases. A "filled-in" helix – for example, a spiral ramp – is called a helicoid. Helices are important in biology, as the DNA molecule is formed as two intertwined helices, and many proteins have helical substructures, known as alpha helices. The word helix comes from the Greek word ἕλιξ, "twisted, curved".
Types
Helices can be either right-handed or left-handed. With the line of sight along the helix's axis, if a clockwise screwing motion moves the helix away from the observer, then it is called a right-handed helix; if towards the observer, then it is a left-handed helix. Handedness (or chirality) is a property of the helix, not of the perspective: a right-handed helix cannot be turned to look like a left-handed one unless it is viewed in a mirror, and vice versa.
Phelix
Phelix is a high-speed stream cipher with a built-in single-pass message authentication code (MAC) functionality, submitted in 2004 to the eSTREAM contest by Doug Whiting, Bruce Schneier, Stefan Lucks, and Frédéric Muller. The cipher uses only the operations of addition modulo 232, exclusive or, and rotation by a fixed number of bits. Phelix uses a 256-bit key and a 128-bit nonce, claiming a design strength of 128 bits. Concerns have been raised over the ability to recover the secret key if the cipher is used incorrectly.
Performance
Phelix is optimised for 32-bit platforms. The authors state that it can achieve up to eight cycles per byte on modern x86-based processors.
FPGA Hardware performance figures published in the paper "Review of stream cipher candidates from a low resource hardware perspective" are as follows:
Helix
Phelix is a slightly modified form of an earlier cipher, Helix, published in 2003 by Niels Ferguson, Doug Whiting, Bruce Schneier, John Kelsey, Stefan Lucks, and Tadayoshi Kohno; Phelix adds 128 bits to the internal state.
Helix (multimedia project)
Helix DNA is a project to produce computer software that can play audio and video media in various formats, aid in producing such media, and serve them over a network. It is intended as a largely free and open source digital media framework that runs on numerous operating systems and processors (including mobile phones) and was started by RealNetworks which contributed much of the code. The Helix Community is an open collaborative effort to develop and extend the Helix DNA platform.
Helix DNA Client is a software package for multi-platform multi-format media playback. Helix Player is a media player that runs on Linux, Solaris, Symbian and FreeBSD and uses the Helix DNA Client. The Helix DNA Producer application aids in the production of media files, and Helix DNA Server can stream media files over a network.
Licenses
The code is released in binary and source code form under various licenses, notably the proprietary RealNetworks Community Source License and the free and open source software RealNetworks Public Source License. Additionally, the Helix DNA Client and the Helix Player are licensed under the popular GNU General Public License (GPL) free and open source license.
Podcasts:
