Kenya Engineer

Long-wave infrared cameras have the disadvantage that the sensor used in them requires constant cooling, which adds to the cost and complexity of the device. Now a new type of detector has been developed that functions at room temperature. Traditional infrared cameras for wavelengths above five micrometers like it cold – the sensor used inside them has to...

The first manned day and night flight of a solar-powered aircraft has been postponed due to technical problems. The HB-SIA aircraft was due to attempt a 24-hour trip from Payerne airfield in Switzerland yesterday, but the trial was halted after the aircraft’s data transmitter failed.   A spokesperson for the Solar Impulse project told The Engineer that the...

New research could one day help scientists store vast amounts of information in the same way genetic codes are saved in DNA. Chemists at Reading University have developed a way of ’reading’ the molecular sequences of a synthetic polymer, which could be used to represent digital data.   DNA stores genetic instructions in the form of different sequences...

Oil spills can increase levels of toxic arsenic in the ocean, creating an additional long-term threat to the marine ecosystem, according to a team from Imperial College London. Arsenic occurs naturally in the ocean, but sediments on the sea floor filter it out of seawater, which keeps the levels of naturally occurring arsenic low. However, arsenic is also flushed...

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