Once upon a time, there was a bit of a fad for fingerprint authentication in laptops and desktop computers. It has long since ...

Much like radio operators being encouraged to use the least possible amount of power to make a contact, chemists have a ...

A world in which authorities can scan sealed bottles for toxic contaminants—quickly, accurately and without damaging the ...

Abstract: We present a novel single-photon avalanche diode (SPAD) pixel array designed for accurate distance measurement with a high photon detection efficiency (PDE). This study was conducted with a ...