Qubit (IMAGE) Florida State University Caption The diagram shows the crystal structure of the potassium-niobium-oxygen compound (K3NbO8) doped with chromium ions. (Potassium is shown in red, niobium in blue, oxygen in cyan and chromium in green.) Brown arrows show well-separated electron spins. The electromagnetic radiation used to control the spins is shown in black. Credit Florida State University Usage Restrictions none License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.