中国の火星探査機「天問1号」火星の周回軌道入り (2021年2月11日) 動画 YouTube https://www.youtube.com/watch?v=iVHqpopwdWo Chinese, Austrian scientist make major breakthrough in Quantum Teleportation 動画 YouTube https://www.youtube.com/watch?…

Assassination of Abraham Lincoln 動画 YouTube https://www.youtube.com/watch?v=1UqcitsiY4o Henry Deringer Gun Used To Assassinate President Lincoln Lincoln Assassnation Weapon Above is a photo of the actual gun from the National Park Servic…