Body repair 'could be ramped up'

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

news.bbc.co.uk

Everest trip helps critically ill

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

news.bbc.co.uk

Holes give edge to new armour

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

news.bbc.co.uk

Mosquitoes make sweet love music

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

news.bbc.co.uk

Baby Jupiter's huge weight gain

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

news.bbc.co.uk

Black holes 'preceded galaxies'

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

news.bbc.co.uk

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.

news.bbc.co.uk

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.

news.bbc.co.uk

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.

news.bbc.co.uk

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.

news.bbc.co.uk

Poetry or science?

Is romantic love just a chemical cocktail?

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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

Earth Watch

Why it is hard to predict sudden environmental crises

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Feilden's blog

Ground-breaking new technique in stem cell science

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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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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

Venomous mammal caught on camera

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

news.bbc.co.uk

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.

news.bbc.co.uk

Canadians claim South Pole record

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

news.bbc.co.uk

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.

news.bbc.co.uk

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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'Wolfman' returns

Explorer Jim McNeill tracks down Arctic wolves

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Our writers talk back

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

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Beagle hunter

On a mission to find the most famous ship of science

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Animal matters

Scotland's debate over tests on primates

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 Science > Technology > Electronics > Power Electronics

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Science > Technology > Electronics > Power Electronics

Power Electronics:

APEC

Home page of the Applied Power Electronics Conference and Exposition co-sponsored by IEEE and PSMA.

http://www.apec-conf.org/

Balog, Robert S.

Doctoral candidate, University of Illinois at Urbana-Champaign, USA. Includes presentations, publications, patent information and links.

http://energy.ece.uiuc.edu/balog/

Graand

Free Classified Ads Portal

www.graand.com

Colorado Power Electronics Center

Power Electronics Center at the University of Colorado. Publications, courses materials, textbook, PSpice files.

http://ece.colorado.edu/~pwrelect/

Darnell.Com

Research, news services and information on power electronics. Economic and business analysis of emerging power electronics markets and technologies, information on new products, technical papers.

http://www.darnell.com/

Dartmouth Magnetic Component Research

Research program in magnetic components; references, software and information for designers.

http://engineering.dartmouth.edu/other/inductor/

Design Of Boostbuck Converter

Analysis and design guide of boostbuck (Cuk) voltage converter.

http://www.boostbuck.com/

Design of Switch Mode Power Supplies

Online calculators of currents and voltages for various switch mode power supplies.

http://schmidt-walter.eit.h-da.de/smpshome/

Electrical Machines and Power Electronics

Research in power electronics, electrical machines and drives. Includes abstracts of theses and papers.

http://eme.ekc.kth.se/index.php

Power Electronics

Power supply design information, annotated links, electronics component information search, discussion forum.

http://www.epanorama.net/links/psu.html

EPE Education Chapter

A collection of educational material for teaching power electronics provided by European Power Electronics Association. Includes interactive seminar.

http://www.epeec.ethz.ch/

IEEE Power Electronics Society (PELS)

A non-profit organization dedicated to scientific and educational aspects of power electronics. Web resources on power electronics.

http://ewh.ieee.org/soc/pels/

IG Site

Overview and analysis of zero-ripple converters, zero-voltage switching converters and other switching power supply techniques.

http://moscowit.hotmail.ru/

Interactive Power Electronics Online Text

Online course that includes diode circuits, fully controlled 1-phase and 3-phase bridge rectifiers, semi-controlled rectifier circuits, and switch mode power supply.

http://services.eng.uts.edu.au/~venkat/pe_html/peintro.htm

International Rectifier myPOWER

On-line design center that contains synchronous buck simulation tool and MOSFET selection tool.

http://www.irf.com/design-center/ipowir/ip2001/

National Semiconductor Power

Resources for power electronics : Online power supply design tools, application notes, articles, and seminars.

http://www.national.com/appinfo/power/

Power Electronics Group

Power Electronics Group of Ben-Gurion University. SPICE models downloads, tutorials, papers and theses.

http://www.ee.bgu.ac.il/~pel/

Power Electronics Technology Magazine

Online Magazine dedicated to power electronics. Featuring articles, an online buyers guide, conference/expo information for powersystems world, and a forum.

http://www.powerelectronics.com/

Power Management DesignLine

Online publication on power management. News, products, forums, expert advice, and how-to information.

http://www.powermanagementdesignline.com

Power Supply Design Resources

Switching power supply (SMPS) design resources: tutorials, circuits, schematics, tools.

http://www.smps.us/

Power Supply Industry News

Industry and career news, manufacturers database, articles, resources and discussions.

http://www.gotopower.net/default.asp

PowerDesigners' InfoWeb

Free information archive for Power Electronics designers. Tutorials, design tips, articles, downloads, calculators.

http://www.powerdesigners.com/InfoWeb/index.shtml

SMPS Power Supplies Inc.

SMPS power supplies design, PSpice simulations, manufacturers database.

http://www.smps.com/

Switched Mode Power Supply Notes

Notes on switched mode power supply design, analysis and simulation as well as web calculators.

http://www.geocities.com/CapeCanaveral/Lab/9643/

Switching-Mode Power Supply Design

Switching-mode power supply circuit design problems, solutions, tutorials, tips, and resources for power supply designers.

http://www.smpstech.com/index.htm

Troubleshooting of Switchmode Power Supplies

Notes on the troubleshooting and repair of small switchmode power supplies.

http://repairfaq.cis.upenn.edu/sam/smpsfaq.htm