所有带有 physics (Virtual Travel Agency) 标记的视频 - Virtual Travel Agency 2019-11-12T07:46:44Z http://newtonkids.ning.com/video/video/listTagged?tag=physics&rss=yes&xn_auth=no Einstein's Proof of E=mc² tag:newtonkids.ning.com,2012-05-04:1994734:Video:17363 2012-05-04T02:36:15.959Z Dad A+ http://newtonkids.ning.com/profile/DadA <a href="http://newtonkids.ning.com/video/einstein-s-proof-of-e-mc"><br /> <img src="http://storage.ning.com/topology/rest/1.0/file/get/3343778328?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="缩略图" /><br /> </a><br />Ever wonder how Einstein proved E=mc²? This is how. Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking pap... <a href="http://newtonkids.ning.com/video/einstein-s-proof-of-e-mc"><br /> <img src="http://storage.ning.com/topology/rest/1.0/file/get/3343778328?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="缩略图" /><br /> </a><br />Ever wonder how Einstein proved E=mc²? This is how. Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking pap...