Operation Sigma Sigma

The Sigma is an experimental glider developed in Britain from 1966 by a team led by Nicholas Goodhart. After disappointing performance during flight testing the Sigma was passed on to a Canadian group which carried out modifications, making the Sigma more competitive.

Design and development

Designed to compete in the 1970 World Championships, the team aimed to develop a wing that would climb well through a high lift coefficient and a large wing area, but equally had the "maximum possible reduction of area for cruise at low lift coefficients". At the same time for the minimum possible drag they aimed for "extensive" laminar flow. To achieve this they employed flaps that would alter both wing area and wing camber. Based on analysis of the nature of thermals encountered in cross-country flying, they reasoned that by having a slow turning circle, their sailplane could stay close to the central (and strongest) part of the thermal and gain maximum benefit.

Its unusual feature is its ability to vary its wing area using Fowler flaps. It had been tried before by the Hannover Akaflieg in 1938 with their AFH-4, the South African Beatty-Johl BJ-2 Assegai and the SZD Zefir gliders.

Sigma (cosmology)

Sigma in cosmology was a property of galaxies used when trying to work out the mystery of galaxies and their supermassive black holes.

History

In the late 1990s the NUKER experts had made observations with a spectroscope of two galaxies, one of an active galaxy with an active galactic nucleus called NGC10-68 and a dormant galaxy next door to us named Andromeda.

The observations are shown. The light from the centre in Andromeda galaxy was distorted proving the existence of super-massive black holes.

Other observations proved most galaxies had a similar centre whether it be active or dormant.

They then realised that the black holes must have something to do with a galaxy's formation, so they turned to something they thought was useless: the speed of the stars around the edge of the galaxy. This was Sigma, the speed of the stars at the edge of the galaxy supposedly unaffected by the mass of the black hole at the centre.

Usage In Cosmology

The NUKER team calculated the sigma of several stars in different galaxies and the mass of the black hole at the (nucleus) centre. They expected no correlation what so ever. But when plotting their results on a Scatter diagram and drawing a line of best fit they ended up with a positive correlation. It appeared that the heavier the black hole at the centre was the faster the stars within the galaxy travelled.

Sigma (duo)

Sigma is an English drum and bass duo consisting of Cameron Edwards and Joe Lenzie. They met at Leeds University at drum and bass nights. Their 2010 collaboration with DJ Fresh, "Lassitude", peaked at number 98 on the UK Singles Chart. Their single "Nobody to Love" topped the UK Singles Chart, becoming their first UK number one. Follow-up single "Changing", featuring Paloma Faith, also got to number one.

Career

Formation

Lenzie and Edwards met in 2006 at Leeds University; Cameron was working in local record store Tribe Records and with Echo Location's Obi running local night Event Horizon, while Lenzie was DJing hip-hop and warming up Event Horizon for such acts as Rahzel and Grandmaster Flash. Once they had finished in Leeds, they relocated to London and became a three-piece with Edwards' school friend Ben Mauerhoff, being signed under DJ Fresh's Breakbeat Kaos. After a while, long distances took their toll – Edwards and Mauerhoff were based in Surrey, whereas Lenzie was based in Harpenden, Hertfordshire and they couldn't get three people into the Harpenden studio – and Mauerhoff left. In December 2008 they formed their own record label, Life Recordings (so called because, according to Lenzie, the industry demanded that it be their life). Its inaugural release was a VIP mix of their early Bingo Beats single "El Presidente".

Hideaway (America album)

Hideaway is the sixth original studio album by American folk rock trio America, released by Warner Bros. Records in April 1976. The album was produced by legendary Beatles producer George Martin.

This album was a hit in the US, peaking at number 11 on the Billboard album chart and being certified Gold by the RIAA. It produced two hit singles: "Today's the Day", which reached 23 on the Billboard singles chart and went all the way to number 1 on the adult contemporary chart for two weeks; and "Amber Cascades", which peaked at 75 on the Billboard singles chart and hit number 17 on the Adult Contemporary chart. Several other songs received airplay on FM stations playing album tracks, including "Jet Boy Blue", "Watership Down", "Don't Let It Get You Down", and "Lovely Night".

Track listing

Additional musicians

Hide Away

"Hide Away" or "Hideaway" is a blues guitar instrumental that has become "a standard for countless blues and rock musicians performing today". First recorded in 1960 by Freddie King, the song became an R&B and pop chart hit. Since then, it has been interpreted and recorded by numerous blues and other musicians and has been recognized by the Rock and Roll Hall of Fame and the Grammy Hall of Fame.

Origins

"Hide Away" is credited to Freddie King and Sonny Thompson (pianist and A&R man at Federal Records). However, in an interview, Freddie King stated that "Hide Away" came from a Hound Dog Taylor song called "Taylor's Boogie".Shakey Jake Harris, a harmonica player who played with Magic Sam, recalled "At that time me and Sam was playing at Mel's Hideaway [Mel's Hide Away Lounge, a Chicago blues club where many of the blues musicians of the era played]. That's where Freddie King's 'Hide Away' comes from. We stole it from Hound Dog Taylor, and Freddie King stole it from us. It used to be our theme song. It was Magic Sam's theme song. And so Freddie King would come in and jam with us until he learnt that song". Magic Sam recorded a variation of the song, "Do the Camel Walk", in 1961 (Chief 7026).

Hideaway (Cockney Rebel song)

"Hideaway" is a song by British rock band Cockney Rebel, fronted by Steve Harley. The song was released as the opening album track on the band's debut The Human Menagerie in 1973. In 1974 it was released in Denmark as a single.

Background

Though it had been a hit in Europe, the band's debut single "Sebastian" had failed to enter the UK chart. The following year of 1974 proved to be a breakthrough when "Judy Teen" entered the UK Top 5. With both singles showing success in Europe, EMI followed "Judy Teen" with the release of "Hideaway", albeit in Denmark only. Neither Harley or the band had any input regarding the release of the single.

Like the entire album, "Hideaway" would have been recorded in June/July 1973 in Air Studios, London. At that time the studios were located in Oxford Street above a department store.

Release

The single was released in Denmark via EMI Records on 7" vinyl. The single included the b-side "Loretta's Tale" which was written by Harley, and also taken from The Human Menagerie. The release featured a black-and-white picture sleeve, which featured a photograph of the band.