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| Chemical indicator could replace temperature logging and sell by dates |
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Both sell by dates and temperature data loggers for the transport of goods with limited storage lives could be replaced by a printed chemical indicator.
Present day sell by dates on foodstuffs lead to much waste, because they are based on the assumption that storage is under less than optimum conditions, while electronic temperature time loggers are too expensive for domestic use.
However, Norwegian company TimeTemp has come up with a shelf-life indicator attached directly to a product that factors ... More
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Low cost UAVs help
| 01/09/2010
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Shape changing UAV trials for maritime search and
| 27/08/2010
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Super insulant makes solar
| 26/08/2010
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EV multi-speed gearbox requires no
| 25/08/2010
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| BLDC motor controller E981.15 with sensorless commutation technique |
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The new BLDC motor controller E981.15, developed by ELMOS and now available from Gleichmann Electronics, is said to enable a significant reduction of system costs.
The E981.15, which comes in a small 7x7mm QFN package and is based on the patented sensorless VirtuHall principle, controls BLDC/PMSM motors entirely without external sensors. The device includes controller and driver for the control of six N-channel power FETs with PWM frequencies of between 20 and 60kHz and provides numerous error and ... More
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Speedy software gets a
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| Tom Shelley reports on enhancements to the leading brand of explicit CAD software.
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Defying
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| Tom Shelley reports on how research into replicating the means whereby insects adhere to surfaces is progressing.
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PU stops leaks and stays
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| Tom Shelley reports on some of the benefits to be obtained by using polyurethane based seals, sealants, gaskets and adhesives.
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Electric vehicles shift
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| Changes to the transmission systems of electric vehicles could have a significant impact on the commercial viability of electric vehicles, as Eureka discovers
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