Madeleine search cost £1m

Kate and Gerry McCann reveal they have spent more than £1m trying to find their daughter Madeleine.

news.bbc.co.uk

Teenager dies in flooding crash

A 17-year-old dies when a vehicle overturns in a flooded river after one of the wettest 48 hours on record.

news.bbc.co.uk

England struck by flash flooding

Heavy rain causes flash floods across the Midlands and northern England, with more than 100 warnings in place.

news.bbc.co.uk

Wrestle mania

Mickey Rourke wows Venice with latest movie

news.bbc.co.uk

Bhutto's widower wins presidency

Asif Ali Zardari, the widower of former Prime Minister Benazir Bhutto, wins a sweeping victory in Pakistan's presidential election.

news.bbc.co.uk

Climate change

Green Party's first leader takes aim at Westminster

news.bbc.co.uk

Greens coming of age, says Lucas

New Green leader Caroline Lucas says she wants to raise the party's profile in non-environmental areas.

news.bbc.co.uk

US stars unite for cancer charity in historic telethon

US celebrity cancer survivors including actors Christina Applegate and Patrick Swayze take part in a live charity telethon.

news.bbc.co.uk

In pictures

Paralympic Games opens in Beijing

news.bbc.co.uk

Wanted - plumber to protect Antarctic pipes

The British Antarctic Survey is advertising for a plumber to maintain one of the world's most remote research stations.

news.bbc.co.uk

Scots fans turned away from game

Hundreds of football fans are refused entry to the stadium for Scotland's World Cup qualifier against Macedonia.

news.bbc.co.uk

Heat on Brown over cost of energy

The prime minister is accused of letting households "plunge into fuel poverty" by not acting to address rising energy prices.

news.bbc.co.uk

Key US lenders to face new curbs

US officials plan to put troubled mortgage giants Freddie Mac and Fannie Mae under strict federal control, media say.

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Man questioned over baby's murder

A 24-year-old man is arrested and is being questioned about the murder of a 14-week-old baby boy.

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Good day Darling?

How will the TUC welcome the chancellor?

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Dazzling show opens Paralympics

Chinese President Hu Jintao officially opens the Paralympic Games in Beijing at a stunning ceremony in the Bird's Nest stadium.

news.bbc.co.uk

Week in pictures

Striking images from around the world this week

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Live text - Nadal v Murray

World number one Rafael Nadal faces Britain's Andy Murray in the semi-finals of the US Open.

news.bbc.co.uk

Deadly rockslide hits Cairo homes

At least 20 people have died after a rockslide destroys homes in a shanty town in the Egyptian capital, emergency services say.

news.bbc.co.uk

Glasgow limbers up for Euro dance

Millions of people in 23 countries are expected to watch the Eurovision Dance Contest in Glasgow.

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What do you want to talk about?

What do you want the world to talk about?

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Live text - World Cup qualifiers

Northern Ireland face Slovakia after Wales win and Scotland lose their opening World Cup qualifiers.

news.bbc.co.uk

Pressure for windfall tax mounts

The TUC renews its demands for windfall tax on energy company profits, as pressure mounts on the government to help the poor.

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The mother of a man thought to have killed his family and torched his mansion before killing himself tells of her shock.

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 World Catalog > Science > Physics > Relativity > Black Holes

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World Catalog > Science > Physics > Relativity > Black Holes

Black Holes:

Black Hole Images at "Astronomy Picture of the Day" (APOD)

From NASA's "Astronomy Picture of the Day" archive, the three most educational images (editor's choice) related to black holes.

http://antwrp.gsfc.nasa.gov/apod/lib/black_holes.html

Black Holes

Pages by the relativity group at Cambridge University, aimed at a general audience. They include a brief introduction to black holes, information about observational evidence, and a section on black holes and critical phenomena.

http://www.damtp.cam.ac.uk/user/gr/public/bh_home.html

Black Holes & Co.

Collection of articles about various aspects of black hole physics, from astronomical observations to the question of why black holes have no hair. Part of the "Spotlights on Relativity" series on Einstein Online; written for a general audience.

http://www.einstein-online.info/en/spotlights/blackHoles/

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Black Holes and Beyond

Part of the "Spacetime Wrinkles" exhibit published by the National Center for Supercomputing Applications: descriptions of what black holes are, how they might be detected, and what kinds of gravitational waves they should produce. Aimed at a general audience.

http://archive.ncsa.uiuc.edu/Cyberia/NumRel/BlackHoles.html

Do Black Holes Exist in Our Universe?

Presentation about stellar black holes, suitable for undergraduate students. Created by Eduard Westra for a second-year astronomy course he was taking at the Australian National University.

http://www.mso.anu.edu.au/~westra/aoz/

Frequently Asked Questions about Black Holes

FAQ for the usenet newsgroup sci.physics; compiled by Matt McIrvin; last change 1995. Suitable for a general audience; addresses a number of fundamental questions such as "How does gravity get out of a black hole" or "What happens if you fall in".

http://antwrp.gsfc.nasa.gov/htmltest/gifcity/bh_pub_faq.html

Gravity's Relentless Pull

Information about black holes for a general audience, including virtual journeys and simulations, from the Space Telescope Science Institute (the people in charge of the Hubble Space Telescope).

http://hubblesite.org/explore_astronomy/black_holes/

Imagine the Universe: Black Holes

Information about the astrophysics of black holes on the website of NASA's High-Energy Astrophysics Learning Center. Suitable for ages 14 and up.

http://imagine.gsfc.nasa.gov/docs/introduction/black_holes.html

Jillian's Guide to Black Holes

An informal introduction to the different types of black holes, to what happens outside and inside such objects, and to how they can be detected; suitable for a general audience. Created by Jillian Bornak as the final project for a beginners' course on general relativity at Syracuse University in 2003.

http://www.gothosenterprises.com/black_holes/

The Net Advance of Physics: Black Holes

A set of links to numerous black holes resources on the Web, this site is a useful starting point for finding technical articles on the topic.

http://web.mit.edu/afs/athena.mit.edu/user/r/e/redingtn/www/netadv/bh.html

Resources Dealing with Black Holes, Singularities, and Event Horizons

List of articles, websites, and images on About.com, compiled by Nick Greene.

http://space.about.com/cs/blackholes/a/blackholesinfo.htm

Schwarzschild's Spacetime

Part of Rob Salgado's website "The light cone - an illuminating introduction to relativity" at Syracuse University, which explores relativity using simple spacetime diagrams. These particular pages explore the simplest black hole solution.

http://www.phy.syr.edu/courses/modules/LIGHTCONE/schwarzschild.html

ScienceDaily: Black Hole News

List of news articles and press releases related to all aspects of black hole physics, from theory to astronomical observations; updated frequently.

http://www.sciencedaily.com/news/space_time/black_holes/

Spacetime Geometry inside a Black Hole

Text by Jim Haldenwang describing the foundations of general relativity and some basic properties of black holes. Presupposes knowledge of calculus and basic concepts of special relativity.

http://members.cox.net/jhaldenwang/black_hole.htm

Developments in General Relativity: Black Hole Singularity and Beyond

Article by Igor D. Novikov (University of Copenhagen) on current theories about the inside of black holes, addressing questions such as "Can we see inside a black hole?" and "Can a falling observer cross the singularity without being crushed?" (April 14, 2003)

http://arxiv.org/abs/gr-qc/0304052

Black Holes

A one-hour lecture given by David M. Harrison (University of Toronto) to senior liberal arts students on the basic properties of black holes. (June 2, 2002)

http://www.upscale.utoronto.ca/GeneralInterest/Harrison/BlackHoles/BlackHoles.html

Black Holes

Review article by Piotr Chrusciel (Université de Tours), covering the evidence for the existence of black holes, their mathematical definition, global aspects, and the most important black hole theorems. Special care is taken in exploring aspects relating to numerical simulations of black hole systems. (January 16, 2002)

http://arxiv.org/abs/gr-qc/0201053

Black Holes and String Theory

Review by Rob Myers (Perimeter Institute); includes information about calculations of the black hole entropy using branes. Based on lectures given at the 4th Mexican School on Gravitation and Mathematical Physics. (July 10, 2001)

http://arxiv.org/abs/gr-qc/0107034

Black Holes

Review article by Gary T. Horowitz (UCSB) and Saul A. Teukolsky (Cornell); includes information on the observational evidence for black holes, some developments involving cosmic censorship, and the statistical origin of black hole entropy. (August 12, 1998)

http://arxiv.org/abs/gr-qc/9808035

Black Holes and Naked Singularities

Review article by T. P. Singh (Tata Institute) about gravitational collapse and the cosmic censorship hypothesis; includes a summary description of known models of collapse resulting in the formation of black holes and naked singularities. (May 18, 1998)

http://arxiv.org/abs/gr-qc/9805066

Black Holes: A General Introduction

Review article by Jean-Pierre Luminet (Observatoire Paris-Meudon), which presents in a pictorial way the basic concepts of black hole physics; includes information about astronomical objects that are black hole candidates. (January 26, 1998)

http://arxiv.org/abs/astro-ph/9801252

Black Holes

Lecture notes for Paul K. Townsend's course on Black holes at Cambridge University. Covers the basics of black hole physics, the mechanics of black holes, and related geometrical concepts at a level suitable for advanced physics students. (July 4, 1997)

http://arxiv.org/abs/gr-qc/9707012

Greens coming of age, says Lucas

New Green leader Caroline Lucas says she wants to raise the party's profile in non-environmental areas.

news.bbc.co.uk

In pictures

Paralympic Games opens in Beijing

news.bbc.co.uk

Glasgow limbers up for Euro dance

Millions of people in 23 countries are expected to watch the Eurovision Dance Contest in Glasgow.

news.bbc.co.uk

Deadly rockslide hits Cairo homes

At least 20 people have died after a rockslide destroys homes in a shanty town in the Egyptian capital, emergency services say.

news.bbc.co.uk

Week in pictures

Striking images from around the world this week

news.bbc.co.uk

Live text - World Cup qualifiers

Northern Ireland face Slovakia after Wales win and Scotland lose their opening World Cup qualifiers.

news.bbc.co.uk

Key US lenders to face new curbs

US officials plan to put troubled mortgage giants Freddie Mac and Fannie Mae under strict federal control, media say.

news.bbc.co.uk

What do you want to talk about?

What do you want the world to talk about?

news.bbc.co.uk

Man questioned over baby's murder

A 24-year-old man is arrested and is being questioned about the murder of a 14-week-old baby boy.

news.bbc.co.uk

Climate change

Green Party's first leader takes aim at Westminster

news.bbc.co.uk

Good day Darling?

How will the TUC welcome the chancellor?

news.bbc.co.uk

Rock goes east

Wembley plays host to Poland's hottest music acts

news.bbc.co.uk

Heat on Brown over cost of energy

The prime minister is accused of letting households "plunge into fuel poverty" by not acting to address rising energy prices.

news.bbc.co.uk

Live text - Nadal v Murray

World number one Rafael Nadal faces Britain's Andy Murray in the semi-finals of the US Open.

news.bbc.co.uk

Scots fans turned away from game

Hundreds of football fans are refused entry to the stadium for Scotland's World Cup qualifier against Macedonia.

news.bbc.co.uk

Madeleine search cost £1m

Kate and Gerry McCann reveal they have spent more than £1m trying to find their daughter Madeleine.

news.bbc.co.uk

Bhutto's widower wins presidency

Asif Ali Zardari, the widower of former Prime Minister Benazir Bhutto, wins a sweeping victory in Pakistan's presidential election.

news.bbc.co.uk

US stars unite for cancer charity in historic telethon

US celebrity cancer survivors including actors Christina Applegate and Patrick Swayze take part in a live charity telethon.

news.bbc.co.uk

Wanted - plumber to protect Antarctic pipes

The British Antarctic Survey is advertising for a plumber to maintain one of the world's most remote research stations.

news.bbc.co.uk

England struck by flash flooding

Heavy rain causes flash floods across the Midlands and northern England, with more than 100 warnings in place.

news.bbc.co.uk

Mother's shock over mansion murders

The mother of a man thought to have killed his family and torched his mansion before killing himself tells of her shock.

news.bbc.co.uk

Wrestle mania

Mickey Rourke wows Venice with latest movie

news.bbc.co.uk

Pressure for windfall tax mounts

The TUC renews its demands for windfall tax on energy company profits, as pressure mounts on the government to help the poor.

news.bbc.co.uk

Teenager dies in flooding crash

A 17-year-old dies when a vehicle overturns in a flooded river after one of the wettest 48 hours on record.

news.bbc.co.uk

Dazzling show opens Paralympics

Chinese President Hu Jintao officially opens the Paralympic Games in Beijing at a stunning ceremony in the Bird's Nest stadium.

news.bbc.co.uk