Scientists at Harvard University have shown how ultra-cold atoms can be used to freeze and control light to form the "core" – or central processing unit – of an optical computer. Optical computers ...

Graphics processing units (GPUs) render graphics and support gaming and cryptocurrency tasks. Learn about their technological ...

The central processing unit (CPU) and the graphics processing unit (GPU) handle different types of data. The CPU is used in almost all devices including computers, cellphones, tablets, smartwatches ...

A computer -- whether Mac, PC, Linux machine, Raspberry Pi, or even the embedded brain in your microwave-- consists of a set of components. Some manage input, getting data into the machine. Some ...