Thunder

Thunder is the sound caused by lightning. Depending on the distance and nature of the lightning, thunder can range from a sharp, loud crack to a long, low rumble (brontide). The sudden increase in pressure and temperature from lightning produces rapid expansion of the air surrounding and within a bolt of lightning. In turn, this expansion of air creates a sonic shock wave, similar to a sonic boom, which produces the sound of thunder, often referred to as a clap, crack, or peal of thunder.

Cause

The cause of thunder has been the subject of centuries of speculation and scientific inquiry. The first recorded theory is attributed to the Greek philosopher Aristotle in the fourth century BC, and an early speculation was that it was caused by the collision of clouds. Subsequently, numerous other theories were proposed. By the mid-19th century, the accepted theory was that lightning produced a vacuum.

In the 20th century a consensus evolved that thunder must begin with a shock wave in the air due to the sudden thermal expansion of the plasma in the lightning channel. The temperature inside the lightning channel, measured by spectral analysis, varies during its 50 μs existence, rising sharply from an initial temperature of about 20,000 K to about 30,000 K, then dropping away gradually to about 10,000 K. The average is about 20,400 K (20,100 °C; 36,300 °F). This heating causes a rapid outward expansion, impacting the surrounding cooler air at a speed faster than sound would otherwise travel. The resultant outward-moving pulse is a shock wave, similar in principle to the shock wave formed by an explosion, or at the front of a supersonic aircraft.

Thunder (Andy Taylor album)

Thunder is the first solo album by British guitarist Andy Taylor, released in 1987. It features former Sex Pistols guitarist Steve Jones on guitar. Jones also co-wrote most of the songs on the album.

The album went out of print in 1990, but would reemerge in a newly expanded version on online music services like iTunes when Taylor made his entire catalog available in 2010. In addition to the original version of Thunder, Taylor's previous solo singles such as "Take It Easy" were included as well.

Track listing

Personnel

Thunder (Jessie J song)

"Thunder" is a song by English recording artist Jessie J. It was written by Jessie J, Claude Kelly, Benjamin Levin, Tor Erik Hermansen and Mikkel Storleer Eriksen for her second studio album Alive (2013), while production was helmed by StarGate and Benny Blanco.

Background

"Thunder" was written by Jessie J, Mikkel S. Eriksen, Tor Erik Hermansen, Claude Kelly and Benny Blanco. It was produced by Eriksen and Hermansen, credited under their production name StarGate, along with Blanco. Jessie's vocals were recorded by Chris Sclafani, Joel Peters, and Justin Pancionendon, with Mark "Exit" Goodchild serving as its engineer. Kelly provided additional vocals on the song. "Thunder" was mixed by Phil Tan and assistants Daniela Rivera and Phil Seaford. Eriksen and Hermansen recorded the song's instrumentation, and Tim Blacksmith and Danny D. were assigned as its executive producers. Andrew "McMuffin" Luftman and Scott "Yarmov" Yarmovsky were credited as production coordinators on the song.

Kobo

Kobo may refer to:

Geography

People

Fictional people

Other

See also

Kobo (woreda)

Kobo is one of the woredas in the Amhara Region of Ethiopia. Located in the northeast corner of the Semien Wollo Zone, Kobo is bordered on the south by the Logiya River which separates it from Habru and Guba Lafto, on the west by Gidan, on the north by Tigray Region, and on the east by the Afar Region. Towns in Kobo include Gobiye, Kobo and Robit (Kobo Robit).

Overview

The landscape of this woreda is characterized by a broad fertile plain which is separated from the lowlands of the Afar Region by the Zobil mountains, which are over 2000 meters high. In general, the altitude of Kobo ranges from 1100 meters on the plains to slightly more than 3000 meters above sea level along the border with Gidan. Kobo, as well as the other seven rural woredas of this Zone, has been grouped amongst the 48 woredas identified as the most drought prone and food insecure in the Amhara Region. To combat increasing droughts and improve crop yields, two irrigation projects have been undertaken in this woreda by the Commission for Sustainable Agriculture and Environmental Rehabilitation in the Amhara Region and the NGO Lutheran World Federation, affecting 302 hectares and benefiting 1,017 households.

CSI: Crime Scene Investigation (season 1)

The first season of CSI: Crime Scene Investigation premiered on CBS on October 6, 2000, and ended on May 17, 2001. The series stars William Petersen and Marg Helgenberger.

Plot

It's all change at the Las Vegas Crime Lab following the shooting death of Holly Gribbs ("Pilot"), yet the team still find themselves tasked with solving the bizarre, the brutal, and the impossible. Under the supervision of new Supervisor Gil Grissom, and his second-in-command Catherine Willows, the team investigate the suicide of a casino jackpot winner ("Cool Change"), the abduction and burial of a young woman ("Crate 'n Burial"), the discovery of a severed leg ("Pledging Mr. Johnson"), the murder of a Catholic school dean ("Friends & Lovers"), the discovery of a skeleton under the house ("Who are You?"), a murder on an airliner ("Unfriendly Skies"), the stabbing deaths of an entire family ("Blood Drops"), and a series of staged suicides ("Anonymous"). Meanwhile, Brown struggles with a gambling addiction, Sidle adjusts to life in Las Vegas, and Brass reacquaints himself with the Homicide squad.