Indian chhulchhuak a che tha

Indian chhulchhuak, kum 15, UK-a awm, Pratap Singh chuan Albert Einstein-a theory lar leh pawimawh, Special Relativity chungchanga a experiment avangin Institute of Physics Prize (IOP) a dawng. Pratap Singh hi Cambridge-a The Perse school-a zirlai a ni a, a experiment chu special relativity tel lo hian, cosmic ray-in he lei a rawn thlen leh thlen loh hi a hmuh/hriat theih loh tih a ni.