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R_Colin_Johnson
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posted in November 2002

4 items
Geiger counter 'badge' eyed to detect radiation
News & Analysis  
11/27/2002   Post a comment
Gallium arsenide diodes are being used to build real-time nuclear-radiation detectors that their inventors promise will be as small and cheap as today's non-real-time "dosimeter" badges. The button-size single-chip detectors will give on-the-spot readings of radiation levels, as Geiger counters do, but without the Geiger counters' expense and heft.
Researchers see solid-state Geiger counter costing $10
News & Analysis  
11/25/2002   Post a comment
Gallium arsenide diodes are being used to build real-time nuclear-radiation detectors that their inventors promise will be as small and cheap as today's non-real-time "dosimeter" badges. The button-size single-chip detectors will give on-the-spot readings of radiation levels, as Geiger counters do, but without the Geiger counters' expense and heft.
Superconducting junctions eyed for quantum computing
News & Analysis  
11/22/2002   Post a comment
Josephson junctions, a superconducting type of transistor, are being investigated as a possible route to scalable quantum computers by a physicist at the University of Michigan. Franco Nori, who has been investigating the concept with scientists at the NEC Fundamental Research Lab (Tsukuba, Japan) and Riken (Wako-shi, Japan), believes Josephson junctions will be the key element in integrated circuits that can process quantum bits, or qubits.
Microscopic battery runs sensors for decades
News & Analysis  
11/8/2002   Post a comment
Using radioactive isotopes as fuel, a tiny battery developed at Cornell University here could turn out to be an ideal power source for remote sensors or other small-scale systems. Cornell professor Amit Lal used microelectromechanical-systems (MEMS) technology to create a millimeter-size battery that can run for decades. The research team plans to scale the prototype to even smaller dimensions so that it could become a power source for MEMS.


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In conjunction with unveiling of EE Times’ Silicon 60 list, journalist & Silicon 60 researcher Peter Clarke hosts a conversation on startups in the electronics industry. One of Silicon Valley's great contributions to the world has been the demonstration of how the application of entrepreneurship and venture capital to electronics and semiconductor hardware can create wealth with developments in semiconductors, displays, design automation, MEMS and across the breadth of hardware developments. But in recent years concerns have been raised that traditional venture capital has turned its back on hardware-related startups in favor of software and Internet applications and services. Panelists from incubators join Peter Clarke in debate.
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