stp-survey, May 7, 2004

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Content
New polymer electrolyte membrane brings goal of a high temperature PEM
fuel cell closer
Speed record for generation of quantum keys for 'unbreakable' encryption
Toward a New Generation of Energy-Efficient Windows: Transition-Metal
Switchable
Mirrors

Seen at other news services
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stp-survey, May 2004, week 19
http://www.stp-gateway.de/samplerW19survey.html
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New polymer electrolyte membrane brings goal of a high temperature PEM
fuel cell
closer

A new type of polymer electrolyte membrane (PEM) is being developed to
help bring the goal of a micro fuel cell closer to realization using 
diverse fuels
like glucose, methanol, and hydrogen.
http://www.stp-gateway.de/News/news965-e.html
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Speed record for generation of quantum keys for 'unbreakable' encryption

The fastest known cryptographic system based on transmission of single
photons has been demonstrated by a team of scientists.
http://www.stp-gateway.de/News/news964-e.html
___________________________________________________________

Toward a New Generation of Energy-Efficient Windows: Transition-Metal
Switchable Mirrors

TMSMs are glass panels with a coating capable of switching back and
forth between  a transparent state and a reflective one.
http://www.stp-gateway.de/News/news963-e.html
___________________________________________________________

Seen at other news services:

Mask secures personal displays
Mikrodisk laser creates tiny sensor
Y switches set up low-power logic
Color display blocks prying eyes
Net lets hand-helds view 3D data
http://www.stp-gateway.de/Listen/Liste7.html




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