Prof Ariando (middle) with Dr Stephen Lin Er Chow (extreme right) and Zhaoyang Luo (extreme left) were part of the research team that designed the new copper-free superconducting material. Credit: NUS ...

For the first time in almost two years, free trading in copper was resumed this week on the Commodity Exchange in New York. It was a great relief to copper users, who hope that a free market will end ...

"This is the first time since the Nobel-winning discovery that a copper-free high-temperature superconducting oxide has been found to function under ambient pressure," emphasised Prof Ariando.