Please dispose of properly: entrepreneurs look for ways to put old computers to good use
Article Abstract:
Personal computers contain hazardous levels of lead, chromium and mercury. The rapid pace of innovation in personal computer industries has produced a significant amount of outworn computers being disposed of. Services for recycling computer components exist, and outlets for donating used computers to charities and schools provide yet another option.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2000
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Bioagent chip
Article Abstract:
A US Defense Advanced Research Project Agency study says it has produced a fast-reacting biosensor that can detect biowarfare agents such as anthrax and smallpox, in the air in under two minutes, using tissue-based analyzers accurate at the single-particle level.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2000
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Cable-free; free-air optical networks go for a test tun
Article Abstract:
WaveStar OpticAir systems from Global Crossing may provide network traffic handling, from telephone to computer data, that could bridge the gap if regular fiber optic lines were damaged. Testing of the system is underway.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1999
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