Both Josephson parametric amplifiers (JPAs) and traveling wave parametric amplifiers (TWPAs) have been used as first-stage amplifiers to enable readout chains operating within a few quanta or less of ...

Google said it has fixed a vulnerability in its Chrome browser for Windows that malicious hackers have used to break into victims’ computers. In a brief note on Tuesday, Google said that it ...

Read our privacy notice. Shocking video footage shows violent thugs armed with foot-long machetes fighting on a Tube station platform in front of terrified commuters. The incident, which has gone ...

iFi is back with another DAC and headphone amplifier. The iDSD Valkyrie acts as the brand's flagship portable DAC/amp, teasing a performance that's tailor-made for listeners who "crave musicality and ...