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Informative touches on the touch screen

23.12.2011

Researchers from Carnegie Mellon University decided that simple finger taps on the touch screen and the multitouch function were not enough to work with modern devices.

By connecting a special microphone to the display, they learned to recognize sounds from various types of impact - touching with a pad or fingertip, tapping with a knuckle or fingernail. The technology, called TapSense, improves human interaction with smartphones and tablets. For example, on a virtual keyboard, you can easily type a lowercase letter instead of an uppercase letter by pressing the key with your fingertip instead of your fingertip.

A prototype device using TapSense has already achieved 95% recognition accuracy, so it is likely that we will soon see production samples of new screens.

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eHighway Electric Autobahn 10.05.2019

Testing of Germany's first stretch of autobahn for electrified overhead trucks has begun near Frankfurt. The German Ministry for the Environment hopes that the project will contribute to climate-neutral transport.

Hybrid diesel-electric trucks will move in the general stream on a five-kilometer stretch with four lanes. Tests, which will continue until 2022, were preceded by tests off the autobahn. The project involves Siemens, which is responsible for its technical part, and researchers from the Darmstadt University of Technology, who will compile and analyze the economic and environmental data collected during the three-year test.

The test trucks are equipped with batteries and pantographs to draw power from two cables (positive and negative electrodes) suspended from several hundred poles.

By mid-2020, five of these trucks will pass the test site every day, which passes an average of 135 vehicles in just a day, one in ten of which is a heavy truck. It is assumed that the DC cables, which are supplied with a voltage of 000 V, will automatically turn off when they break, and in winter their performance will be ensured by an anti-icing system. By braking, hybrids will be able to return energy to the grid.

According to a study by the Federal Transport Ministry, up to 80% of freight transport in Germany could eventually be electrified.

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