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A visit to a dental clinic could cease to be a fearsome experience. Duncan Graham-Rowe finds out how lasers can help dentists to provide patients with more comfortable and convenient dental treatments.
The pollutant emissions and high-energy consumption of combustion engines using conventional spark plugs have long been serious environmental problems. Now, it has been demonstrated that lasers can provide a feasible green alternative. Duncan Graham-Rowe reports.
Although electronic paper that can display monochrome static images has been growing in popularity, the next generation of products will soon be capable of displaying video in full colour. Duncan Graham-Rowe reports.
The idea of using quantum optics to protect the transmission of sensitive data is becoming a commercial reality and starting to be deployed. Duncan Graham-Rowe takes a look at recent progress in quantum cryptography.
