A massive 2,492-carat diamond – the second largest in the world – has been discovered in Botswana, the Canadian mining company that found the stone announced on Thursday, August 22. The diamond was discovered in the Karowe diamond mine in northeastern Botswana using X-ray detection technology, Lucara Diamond said in a statement. Lucara did not […]
Botswana is now home to the second largest diamond in the world. This week, the southern African country’s President Mokgweetsi Masisi and Lucara Diamond Corporation CEO William Lamb announced that they had discovered a diamond weighing 2,492 carats. The massive stone, which weighs over 1 pound, surpasses the previous record for the largest diamond found […]
Prof. Tongcang Li (left), Dr. Yuanbin Jin (center) and Kunhong Shen conduct experiments with floating and rotating fluorescent diamonds at Purdue University. Image credit: Purdue University Photo by Charles Jischke A new milestone in levitating optomechanics was achieved by Prof. Tongcang Li’s group by observing the Berry phase of electron spins in nano-sized diamonds levitated […]
