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A cavity leads to a strong interaction between light and matter

Researchers have succeeded in creating an efficient quantum-mechanical light-matter interface using a microscopic cavity. Within this cavity, a single photon is emitted and absorbed up to 10 times by an artificial atom. This ...

Cryptography without using secret keys

Most security applications, for instance, access to buildings or digital signatures, use cryptographic keys that must at all costs be kept secret. That also is the weak link: Who will guarantee that the key doesn't get stolen ...

AAFP releases updated Feline Zoonoses Guidelines

The American Association of Feline Practitioners (AAFP) today released updated Feline Zoonoses Guidelines to the veterinary community. These are published Online First, and will appear in the November issue of the Journal ...

Men are harder competitors: study

In competition situations, men invest more resources than women in reducing the performance of competitors. Men overestimate sabotage against them and respond accordingly, while women assess the sabotage efforts of competitors ...

Open cluster ASCC 123 investigated in detail

Using the Galileo National Telescope, astronomers have conducted a high-resolution spectroscopic study of the open cluster ASCC 123 as part of the Stellar Population Astrophysics (SPA) project. Results of the new research, ...

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Information

Information as a concept has a diversity of meanings, from everyday usage to technical settings. Generally speaking, the concept of information is closely related to notions of constraint, communication, control, data, form, instruction, knowledge, meaning, mental stimulus, pattern, perception, and representation.

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