The National Physical Laboratory has made the world’s smallest Christmas card using ion beams. It’s about 200 million times smaller than a stamp, and you could fit 7 quadrillion in a post box. | Historyinmemes

Science and Technology Minister Dr Jitendra Singh inaugurates the National Primary Standard Facility for Solar Cell Calibration and the National Environmental Standard Laboratory (#NESL) at the Council of Scientific and Industrial Research-National Physical Laboratory (#CSIR-#NPL) in New Delhi. Addressing the 80th foundation day celebrations of CSIR-NPL, the minister said that India has become the world’s fifth country, after the USA, Germany, China, and Japan, to have a Standard Facility for So