News tagged with rock
Mars-bound NASA rover carries coin for camera checkup
(PhysOrg.com) -- The camera at the end of the robotic arm on NASA's Mars rover Curiosity has its own calibration target, a smartphone-size plaque that looks like an eye chart supplemented with color chips ...
Space & Earth / Space Exploration
Feb 07, 2012 |
4.3 / 5 (7) |
10
|
More environmental rules needed for shale gas, says Stanford geophysicist
In his State of the Union address, President Barack Obama praised the potential of the country's tremendous supply of natural gas buried in shale. He echoed the recommendations for safe extraction made by ...
Feb 06, 2012 |
5 / 5 (2) |
2
Viacom 1Q earnings shredded by 'Rock Band'
(AP) -- Viacom Inc., the owner of Paramount Pictures, MTV and Comedy Central, on Thursday posted a 65 percent drop in net income for the latest quarter, as it took a charge related to the "Rock Band" series ...
Feb 02, 2012 |
not rated yet |
0
'Atlantis' volcano gives tips for mega-eruptions
Around 1630 BC, a super-volcano blew apart the Aegean island of Santorini, an event so violent that some theorists say it nurtured the legend of Atlantis.
Space & Earth / Earth Sciences
Feb 01, 2012 |
4.8 / 5 (6) |
2
Hayabusa 2 Mission approved by Japanese government
In 2010, the Japanese spacecraft Hayabusa completed an exciting although nail-biting mission to the asteroid Itokawa, successfully returning samples to Earth after first reaching the asteroid in 2005; the ...
Space & Earth / Space Exploration
Feb 01, 2012 |
not rated yet |
0
First plants caused ice ages: research
New research reveals how the arrival of the first plants 470 million years ago triggered a series of ice ages. Led by the Universities of Exeter and Oxford, the study is published today (February 1, 2012) in Nature Geoscience.
Space & Earth / Earth Sciences
Feb 01, 2012 |
4.7 / 5 (12) |
12
|
Plan to move Argentine meteorite to Germany blocked
An unlikely alliance between the native Moqoit people and leading Argentine scientists has thwarted plans to ship the world's second largest meteorite to Germany as a prestigious art exhibit.
Space & Earth / Space Exploration
Feb 01, 2012 |
3.5 / 5 (2) |
0
What really happened prior to 'Snowball Earth'?
In a study published in the journal Geology, scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science suggest that the large changes in the carbon isotopic composition of car ...
Space & Earth / Earth Sciences
Jan 27, 2012 |
4.2 / 5 (9) |
18
|
8-meter-wide asteroid will pass close to Earth today
A small asteroid will pass extremely close to Earth tomorrow (January 27, 2012). Named 2012 BX34, this 11 meter- (36 feet-) wide 8 meter- (26-foot-) space rock (astronomers have updated their estimates of the ...
Space & Earth / Space Exploration
Jan 27, 2012 |
5 / 5 (7) |
0
What drove the lunar dynamo? Moon's molten core was likely sustained by alternative power source
New evidence from an ancient lunar rock suggests that the moon once harbored a long-lived dynamo a molten, convecting core of liquid metal that generated a strong magnetic field 3.7 billion years ago. ...
Space & Earth / Space Exploration
Jan 27, 2012 |
4.3 / 5 (13) |
3
|
Curtin geologists make a 'shocking' discovery
Research led by Curtin University geologists has uncovered a wealth of new evidence in the mineral zircon from lunar rock samples recovered during NASAs Apollo missions, revealing indisputable proof ...
Space & Earth / Space Exploration
Jan 24, 2012 |
4.4 / 5 (10) |
1
|
Earth's mantle: New numerical tool describes rock deformation
Although solid, the rocks of the Earth's mantle deform very slowly. Professor Patrick Cordier's team at the Materials and Transformation Unit (Université Lille, France) has developed a model that makes it possible, over ...
Space & Earth / Earth Sciences
Jan 24, 2012 |
not rated yet |
0
Scientists confirm rocks fell from Mars (Update)
They came from Mars, not in peace, but in pieces. Scientists are confirming that 15 pounds of rock collected recently in Morocco fell to Earth from Mars during a meteorite shower last July.
Space & Earth / Space Exploration
Jan 17, 2012 |
3.4 / 5 (10) |
3
Scientists study how nature cleans uranium from Colorado aquifer
Rifle, Colorado, is a small town on the Colorado River, in the heart of the Rocky Mountains, that's big on natural resources. It attracts hunters, fishermen, hikers, rock climbers. Its striking scenery attracted ...
Jan 11, 2012 |
not rated yet |
0
Could Siberian volcanism have caused the Earth's largest extinction event?
Around 250 million years ago, at the end of the Permian geologic period, there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth's history. Although the cause ...
Space & Earth / Earth Sciences
Jan 09, 2012 |
4.7 / 5 (3) |
1
|
Rock music
Rock music is a loosely defined genre of popular music that entered the mainstream in the mid 1950s. It has its roots in 1940s and 1950s rhythm and blues, country music and also drew on folk music, jazz, and classical music.
The sound of rock often revolves around the electric guitar or acoustic guitar, and it uses a strong back beat laid down by a rhythm section of electric bass guitar, drums, and keyboard instruments such as organ, piano, or, since the 1970s, synthesizers. Along with the guitar or keyboards, saxophone and blues-style harmonica are sometimes used as soloing instruments. In its "purest form", it "has three chords, a strong, insistent back beat, and a catchy melody."
In the late 1960s and early 1970s, rock music developed different subgenres. When it was blended with folk music it created folk rock, with blues to create blues-rock and with jazz, to create jazz-rock fusion. In the 1970s, rock incorporated influences from soul, funk, and latin music. Also in the 1970s, rock developed a number of subgenres, such as soft rock, glam rock, heavy metal, hard rock, progressive rock, and punk rock. Rock subgenres that emerged in the 1980s included New Wave, hardcore punk and alternative rock. In the 1990s, rock subgenres included grunge, Britpop, indie rock, and nu metal.
A group of musicians specializing in rock music is called a rock band or rock group. Many rock groups consist of an electric guitarist, lead singer, bass guitarist, and a drummer, forming a quartet. Some groups omit one or more of these roles and/or utilize a lead singer who plays an instrument while singing, sometimes forming a trio or duo; others include additional musicians such as one or two rhythm guitarists and/or a keyboardist. More rarely, groups also utilize stringed instruments such as violins or cellos, woodwind instruments such as saxophones, and brass instruments such as trumpets or trombones.
For more information about Rock music, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.