The March 2024 issue of IEEE Spectrum is here!

Close bar

iCandy: Made to Measure

Keeping tabs on air, oceans, food, and beer

1 min read

Photo: Erik Lucero
This 6-square-centimeter chip boasts four quantum bits, or qubits. These paired superconductors register bits not in terms of discrete ones and zeros but rather as both states at once. Researchers at the University of California at Santa Barbara say they have been able to make the qubits operate independently of each other, an important step in developing a scalable architecture. Experts say that quantum computers would need to have about 100 qubits before they could displace digital ones.

If you are viewing this page with an iPad or iPhone, click here to launch the slideshow:

/ns/slideshows/04W_SlideS_iCandy2011_ipad2a/index.html

The Conversation (0)