Dolphins use double sonar

Dolphins and porpoises use echolocation for hunting and orientation. By sending out high-frequency sound, known as ultrasound, dolphins can use the echoes to determine what type of object the sound beam has hit.

Measuring distances in microseconds

(PhysOrg.com) -- Standard laser devices are fast enough for measuring the size of a room, but they need to be faster for outdoor mobile applications. Researchers have brought these scanners up to speed -- they can measure ...

Analyzing energy potential

Sensors, radio transmitters and GPS modules all feature low power consumption. All it takes is a few milliwatts to run them. Energy from the environment - from sources such as light or vibrations - may be enough to meet these ...

'Old' information theory makes it easier to predict flooding

Many different aspects are involved in predicting high water and floods, such as the type of precipitation, wind, buildings and vegetation. The greater the number of variables included in predictive models, the better the ...

Survey by microplanes

Smart and quick land surveys by unmanned microplanes are now offered by the German company MAVinci, an alumnus of ESA Business Incubation Centre Darmstadt.

Report on Loggerhead Sea Turtle Protection Project

Epson has been working with Kamogawa Sea World and the Japanese government since June 2010 in a project to help protect and preserve endangered loggerhead sea turtles. Epson developed two new types of wireless sensor modules ...

New method for imaging molecules inside cells

Using a new sample holder, researchers at the University of Gothenburg, Sweden, have further developed a new method for imaging individual cells. This makes it possible to produce snapshots that not only show the outline ...

Glove shows its true colors

Security takes top priority in laboratories and in production. In the future, employees exposed to risks will only have to put on a glove in order to receive a toxic substance warning: This textile identifi es poisonous substances, ...

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