Engineers have invented a microscopic spectral sensor that can identify myriad materials with unprecedented accuracy.

STMicroelectronics' kit, replete with the company's reader/writer IC, helps engineers develop strong, clear NFC.

$59 for Square Reader contactless and chip card reader. $149 for Square Stand iPad POS or Square Stand Mount (iPad not included; monthly financing available). $299 for Square Terminal mobile card ...

Several analysts have recently updated their ratings and price targets for Block (NYSE: SQ): 1/16/2025 – Block had its price target raised by analysts at Wells Fargo & Company from $85.00 to $95.00.

$59 for Square Reader contactless and chip card reader. $149 for Square Stand iPad POS or Square Stand Mount (iPad not included; monthly financing available). $299 for Square Terminal mobile card ...