The F-15 was born from the difficult lessons learned during the Vietnam War. In the late 1950s, Air Force planners were confident that the advent of powerful new radars and long-range air-to-air missiles... continue reading
posted by eric3579 1 year 3 weeks ago • 83 views • 14:21search results matching tag: States of Matter
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Let’s talk about states of matter. You know your states of matter don’t you? We have solids, liquids and gasses, and plasmas, quark-gluon plasmas, nuclear matter, bose-einstein condensates, neutronium,... continue reading
posted by newtboy 1 year 3 months 3 weeks ago • 272 views • 14:12When humans first populated North America and how they arrived has long been a matter of spirited debate. A recent study detailing what archeologists believe are the oldest known footprints in the United... continue reading
posted by newtboy 2 years 3 weeks ago • 197 views • 6:26the takeaways from this video...when it was posted; the slogan 'x matters'; a simple healthcare measure still unavailable for many and how control of a women's life, or the most humane way to prevent abortions,... continue reading
posted by luxintenebris 2 years 1 month ago • 126 views • 2:53"Why some Americans’ votes count more than others. Watch more of our election coverage: http://vox.com/ElectionVideos In the 2000 US presidential election, the Democratic candidate got half a million... continue reading
posted by ant 3 years 6 months ago • 86 views • 8:09A well presented piece about how we can and do benefit from an understanding of evolution.
posted by nanrod 9 years 10 months ago • 709 views • 9:53YouTube Description: music by: http://www.youtube.com/JakeChudnow Top 1000 US first names over time INTERACTIVE: http://www.babynamewizard.com/voyager surname geographical distribution INTERACTIVE:... continue reading
posted by Janine V. (Lilithia) 1 decade 6 months 2 weeks ago • 767 views • 7:54- 1