How a mild-mannered computer mouse becomes a fast, freewheeling photon-hog. Analog (non-optical) mice pick up movements of the ball with two axles that turn gear-like wheels. The teeth…

Scenario activating communication for children of secondary school age Alla Arushanov Elena Rychagova, Rimma Ivankov Tasks: • Involve children in playing and a voice interaction with their peers;…

Tasks: • Involve children in playing and a voice interaction with their peers; • encouraged to build a small text-description; • formulate proposals of different grammatical structure; •…

As it is known, is safe in the world there is nothing. This truism applies fully and ultrasound. Ultrasound, unfortunately, is not an entirely innocuous environmental factor. With…

Created artificial bat wing Scientists have made an artificial bat wing. Now they know how to run an animal flight and rely to make mouse-plane. Study wing robot…