Tech fair offers greener vision

Analysts at the Consumer Electronics Show say green credentials of tech products will become critical to success.

news.bbc.co.uk

Our writers talk back

Some of the previous contributors to the Green Room respond to readers' questions and comments.

news.bbc.co.uk

Earth Watch

Why it is hard to predict sudden environmental crises

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Baby Jupiter's huge weight gain

The planet Jupiter must have gained mass fast during its infancy, according to astronomers.

news.bbc.co.uk

China alert over bird flu death

Chinese authorities shut down and clean poultry markets in Hebei province, after the first human death in nearly a year.

news.bbc.co.uk

Body repair 'could be ramped up'

A combination of drugs could trick the body into sending its repair mechanisms into overdrive, say scientists.

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Mosquitoes make sweet love music

Sexy songs sung by mosquitoes in courtship could be key to curbing the spread of dengue fever, say scientists.

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US vows 'huge' marine protection

The US is to establish "the largest area of protected sea in the world", banning fishing and mining, around its Pacific islands.

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Eat it or lose it - why centuries of crop diversity are at risk

Centuries of crop diversity are at risk of being lost forever as farmers turn to just a few modern, high yielding varieties.

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Animal matters

Scotland's debate over tests on primates

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Feilden's blog

Ground-breaking new technique in stem cell science

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Black holes 'preceded galaxies'

Astronomers believe they have solved a cosmic chicken-and-egg question: what came first - black holes or galaxies?

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Canadians claim South Pole record

A trio of Canadians claim a new record for the fastest trek across Antarctica to the South Pole.

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Beagle hunter

On a mission to find the most famous ship of science

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Mummy of female pharaoh uncovered

Egyptologists find remains of a mummy thought to belong to a queen who ruled 4,300 years ago, Egypt's antiquities chief announced.

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Panda bites his third tourist in two years at Beijing zoo

A panda at Beijing zoo bites a man for the third time in two years.

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Heat may spark world food crisis

Half the world's population could face food crisis by 2100 as soaring temperatures cripple staple crops, scientists warn.

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Zimbabwe troops 'eat elephants'

A Zimbabwean wildlife campaigner tells the BBC that soldiers are being given elephant meat to eat, as the economic crisis deepens.

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Everest trip helps critically ill

Blood oxygen levels recorded on a trip by medics to Everest could help the treatment of critically ill patients.

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Venomous mammal caught on camera

Rare footage of one of the world's most strange and elusive mammals is captured by scientists.

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A deep-sea fish caught in the Pacific has mirrors for eyes

A deep-sea fish caught in the Pacific has eyes which use mirrors as well as lenses, scientists discover.

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'Wolfman' returns

Explorer Jim McNeill tracks down Arctic wolves

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Poetry or science?

Is romantic love just a chemical cocktail?

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Holes give edge to new armour

Scientists from the UK Ministry of Defence (MoD) have devised ultra-hard vehicle armour to protect military personnel.

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First flight of algae-fuelled jet

Continental Airlines is the latest to test fly a jet biofuel, this time with a product derived partially from algae.

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 Science > Cryotechnology

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Science > Cryotechnology

Cryotechnology:

About Temperature

A good general discussion of the physics and concept of "temperature."

http://eo.ucar.edu/skymath/tmp2.html

Graand

Free Classified Ads Portal

www.graand.com

Advanced Cryogenics Ltd.

Consultants on carbon dioxide (CO2) production, sales, recovery, natural CO2 well sources, and emerging technologies which yield a CO2 by-product, such as fuel cells. In Tavernier, Florida.

http://www.advancedcryogenicsltd.com

Allied Pipefreezing Services

National and international pipefreezing service to all sectors of industry. In North West England. Very informative page.

http://www.alliedpipefreezing.co.uk

Bishop Pipefreezing Inc.

Supplying pipefreezing and cryogenic services to the pipeline and process industries throughout the world. Pipefreezing is a means of isolating part of a pipework system by freezing the pipe contents over a short section, so that the contents form a solid plug. Offices in the UK and U.S.A

http://www.bishop.co.uk/

Böhm & Gottschalk Droogijs B.V. -- Dry Ice

A dry ice supplier in the Netherlands. Site in English and Dutch.

http://www.droogijs.nl/engels/index.html

British Cryoengineering Society

Scientific society which promotes the advancement of cryogenics and cryoengineering in the UK and abroad. Publisher of Cryogenics Safety Manual and Cryogenics Fluids Databook.

http://www.bcryo.org.uk

CCT Pipefreezing Ltd

On-site pipefreezing service to enable valve replacement or pipework modification. In Surrey, England.

http://www.cctpipefreezing.com/

Climatic Services Ltd.

Environmental simulation equipment for sale or hire. In-house climatic testing from -80C to 300C, and temperature and humidity calibration. At Glenrothes in Fife, Scotland, UK.

http://www.climatic-testing.co.uk/

CRYOCO, Inc.

Cryogenic consulting services, including systems analysis, instrumentation, gas purification, and classes in cryogenic engineering and safety. Owned by Thomas Flynn, Ph.D., in Boulder, Colorado.

http://www.cryoco.com/

CryoGas International

On-line version of magazine which reports the latest advances in technology, market development and new products for industrial, medical and specialty gases and cryogenic equipment.

http://www.cryogas.com/

Cryogenic Consulting Service, Inc.

CCSI performs consulting, design, and plant operations for industrial cryogenic processes and gas purification and liquefaction. Areas of expertise include plant design and upgrading, natural gas, hydrogen, and cryogenic storage. In Weston, Connecticut.

http://www.cryogenic-consulting.com

The Cryogenic Society of America

A non-profit technical society serving all those interested in any phase of cryogenics.

http://www.cryogenicsociety.org/

Cryogenics (journal)

International journal of low temperature engineering including applied superconductivity, cryoelectronics, cryophysics, cryogenics in medicine, and refrigeration and liquefaction technology. Mostly a subscription/information site.

http://www.elsevier.com/inca/publications/store/3/0/4/0/7/

Cryomagnetics Home Page

Manufacturers of Superconducting Magnets, Cryostats, and related Cryogenic Instrumentation

http://www.cryomagnetics.com/

Cryotechnology

Part of the Polish Academy of Sciences, in Wroclaw, Poland. Includes information about the departments of superconductivity, and low temperatures.

http://www.int.pan.wroc.pl/?lang=en

Inventory Management Software For Biological, Clinical and IVF Samples and Specimen

Inventory management software for biological, clinical and ivf samples and specimen.

http://www.cryotrack.com

Issues in Cryogenics by Dr. Sidney Yuan

Detailed explanations and papers on various aspects of cryogenic technology, including mechanical cooling, oxygen contamination, cryogenic systems, and helium superfluidity. Many papers available for downloading.

http://www.yutopian.com/Yuan/

Lake Shore Cryotronics, Inc.

Design and manufacture of cryogenic temperature sensors and instrumentation, including instrumentation and systems for studying magnetic properties of materials. Products include gaussmeters, Hall probes, vibrating sample magnetometers, and electromagnets. In Westerville, Ohio, with distributors world wide.

http://www.lakeshore.com/

The Nobel Prize in Physics 1996

Awarded to David M. Lee, Douglas D. Osheroff, and Robert C. Richardson. The press release contains a good (technical) discussion of the superfluidity of helium-3.

http://nobelprize.org/physics/laureates/1996/

Nobel Prize in Physics, 1996: Richardson, Lee, and Osheroff

The story of the discovery of superfluid Helium-3

http://www.lassp.cornell.edu/~cew2/NobelPrize.html

Pipefreezing and Hot Tapping Ltd

UK freeze isolation specialists. In situ valve replacement or other pipeline repairs and modifications without needing to drain down systems. In London.

http://www.pipefreeze.co.uk

Sumitomo Cryogenics Group

Manufacturer of cryopumps, cryocooolers, pulse tubes, shield coolers and laboratory cryostats

http://www.shicryogenics.com

Temperature World

Temperature-related news, resources and links. Topics include: science, earth, environment, sensors, controls, health, standards, and organizations.

http://www.temperatureworld.com/

Thermal Connection

A detailed education site on thermal science (both cold and hot), with many explanations, conversion tables, databases, links, and an excellent FAQ/glossary of terms and concepts dealing with temperature.

http://www.tak2000.com/