Amazon is still running Cyber Monday prices well into December, so people who missed the first sales rush can still get the Bose SoundLink Flex at a lower price. This portable Bluetooth speaker is now ...

Abstract: Cymbal transducer, as the fifth-generation flextensional transducer designed with a "sandwich" structure, is widely applied in underwater acoustics transducers, accelerometers and ultrasonic ...

Iran may receive up to 50 Russian Su-35 jets by 2027. Such delivery would boost its air power and pose serious regional risks ...