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General Physics Nov 1, 2006

Light-emitting transistor uses light to transfer an electrical signal

In one of the early discoveries of the current "silicon electrophotonics era," scientists from Hitachi, Ltd. in Tokyo have built a light-emitting transistor (LET) that transfers, detects and controls an electrical signal ...

General Physics Feb 4, 2014

Optical data storage has virtually unlimited lifetime

(Phys.org) —Data stored on today's CDs and DVDs has a lifetime of several decades before the physical material begins to significantly decay. Researchers are working on prolonging the lifetime of stored data, but so far reaching ...

Quantum Physics Oct 11, 2010

Could light and matter coupling lead to quantum computation?

(PhysOrg.com) -- In science, one of the issues of great interest is that of quantum computing, and creating a way to make it possible on a scalable level. This could be achieved by taking advantage of the strong interaction ...

Computer Sciences Mar 19, 2009

Latest 3D TV Technology Offers Interactive Control

(PhysOrg.com) -- Three-dimensional TV is now closer than ever to becoming a reality for consumers, and the latest research is investigating the full extent of 3D TV’s possibilities. In a recent study, researchers at the University ...

Consumer & Gadgets Apr 25, 2007

Browse digital media by flipping through a book

As the amount of information on the Internet, TV and radio continues to increase, one of the challenges users face is how to quickly find what they're looking for. As Jun-ichiro Watanabe of Hitachi Ltd. researched this question, ...

General Physics Mar 15, 2007

'Plug and Play' Source of Single Photons

A research group in the UK has crafted a source of single photons – photons emitted one by one – with a convenience and ease of use they liken to “plug and play” computer hardware devices. This is a key step forward in single-photon ...

Nanophysics Feb 6, 2007

Telescoping nanotubes offer new option for nonvolatile memory

In the midst of a widespread and potentially highly lucrative search for next-generation nonvolatile memory, scientists from the University of California have put to use an interesting characteristic of carbon nanotubes. ...

General Physics Oct 10, 2006

More Secure Optical Communications Via 'Antisqueezed' Light

Using light to transmit information – optical communication – is the basis of several technologies, most commonly fiber-optic cables, which are used in imaging and telecommunications. But sending information securely using ...

Nanomaterials Aug 9, 2006

New method of growing carbon nanotubes to revolutionise electronics

A new method of growing carbon nanotubes is predicted to revolutionise the implementation of nanotechnology and the future of electronics. Researchers at the University of Cambridge have successfully grown nanotubes at a ...

Superconductivity Mar 4, 2024

Tests show high-temperature superconducting magnets are ready for fusion

In the predawn hours of Sept. 5, 2021, engineers achieved a major milestone in the labs of MIT's Plasma Science and Fusion Center (PSFC), when a new type of magnet, made from high-temperature superconducting material, achieved ...

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