If you have a piano collecting dust, flowkey's lowest-ever price can help you bring it to life again

You’ve tried learning piano before—you learned a few notes, maybe part of a song, and then … stopped. It’s hard to keep going ...
IEEE

A tutorial on synthetic aperture radar

Abstract: Synthetic Aperture Radar (SAR) has been widely used for Earth remote sensing for more than 30 years. It provides high-resolution, day-and-night and weather-independent images for a multitude ...