来自MSN3 个月
Chinese scientists create a ghost radar moving at ‘near-light-speed’ to detect submarines
When facing signals with frequencies as low as 100Hz, the radar cross-section (RCS) of a nuclear submarine in seawater can reach up to 88 square metres (947 square feet). This means that ...
朝日新聞社3 天
An underground detector in China will sniff out mysterious ghost particles called neutrinos
KAIPING, China--Underneath a granite hill in southern China, a massive detector is nearly complete that will sniff out the mysterious ghost particles lurking around us. The Jiangmen Underground ...