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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, an...
最好的飞行跟踪站点:实时跟踪地图、飞行状态、航空公司航班延误、私人/通用航空飞行及机场信息。
网站可以聆听深海的声音,还有海洋生物的真实声音。Create ambient soundscapes for relaxation or productivity. Relaxing sounds of the deep blue ocean.
在精致的宇宙模拟环境中,体验一场流星雨。3D visualization of NASA meteor shower data. Scientifically accurate and fully interactive.
景直播-看熊猫在线吃竹,休息时间好像有事可做了。全
是一项全球航班跟踪服务,为您提供全球数千架飞机的实时信息。The world’s most popular flight tracker. Track planes in real-time on our flight tracker map and get up-to-date flight status & airport information.
这个网站集合了世界各地护照样式,还有办理程序,办理难易程度等等。Passport Index curates, sorts and ranks the world's passports. Explore passport designs, browse by visa-free score, color, or country and discover how they rank.