
Physics Girl-国外科普视频网
是一个有趣的物理视频和科学材料科普的视频网站。A YouTube Channel hosted by Dianna Cowern that adventures into the physical sciences with experiments, demonstrations, and cool new discoveries.
公益性质的网站,展示了此时此刻全球各地的光污染的状况。Interactive world light pollution map. The map uses NOAA/EOG VIIRS, World Atlas 2015, observatories, clouds and SQM/SQC overlay contributed by ...