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DateDate: 7-05-2017, 08:35

American manufacturer of electronic devices Microsoft has announced a new event, which is expected to be shown hybrid the Surface Pro 5. The presentation will take place in Shanghai on may 23.
Vice-President Panos Panay recently hinted in social media that the next event will be dedicated to Microsoft's Surface line. If so, then in Shanghai, the exhibition will show 5 Surface Pro hybrid tablet PC based on processor Kaby Lake. Also, the presentation may be shown a new VR gadgets.
This exhibition will be the third for Microsoft in may. A few days ago the presentation of a new version of Windows 10 S and laptop Surface Laptop also may 10-12 in Seattle will host a conference for developers Microsoft Build 2017.
Source: an

DateDate: 7-05-2017, 08:32

To date, most of the speakers running through the coil oscillations in the field of a permanent magnet, which moves a driver that creates vibrations of air and sound waves. However, in the future to replace this rather bulky design can come a brand new solution. British scientists from Exeter University have created a compact speaker out of graphene, which has no moving parts. The sound is generated due to the change in temperature of graphene.
It should be noted that thermoacoustic principle of operation was described in the late XIX century. However, based on it has never created dynamics. According to researchers at Exeter University, will provide rich sonic palette. If necessary, a speaker can reproduce a variety of sound frequencies, including ultrasound.
As mentioned above, the new dynamics no moving parts, making it much smaller than its competitors. The speaker itself is made in the form of a microprocessor the size of a thumb nail. Inside the enclosure hides a speaker, amplifier and equalizer.
Source: 4PDA