Archive for category Teachable moments
http://www.engadget.com/gallery/6-world-changing-innovations-by-teenage-geniuses/#slide=3690327 This collection of 6 astonishing inventions all came from young people who saw real problems in the world around them and decided it was up to them to find a solution. Each invention is not only technically, but financially and environmentally innovative.
http://blogs.scientificamerican.com/guest-blog/traveling-to-another-planet-just-add-water/?utm_source=twitterfeed&utm_medium=twitter&utm_campaign=Feed%3A+ScientificAmerican-Twitter+%28Content%3A+Global+Twitter+Feed%29 A fantastic look at how the Solar system’s water reserves could be used to make long distance space flight possible. The key is using water for propulsion, which would make life support far easier and more efficient than chemical propulsion.
http://www.newscientist.com/article/mg22630200.300-rosettas-wrong-water-could-be-right-after-all.html?full=true#.VUvKxYE_7qA Rosetta miasion analysis suggests, “Comet 67P’s water isn’t like Earth’s – it’s interstellar stuff, from the same mould as the pristine material that made the solar system.” This article offers a snapshot of current theories about where the Earth got its water, based increasingly on the ongoing missions to Ceres and 67P. The mystery […]
How an Early Medieval Historian Worked: Methodology and Sources in Bede’s Narrative of the Gregorian Mission to Kent
http://www.medievalists.net/2015/02/25/early-medieval-historian-worked-methodology-sources-bedes-narrative-gregorian-mission-kent/ Shaw’s attempt to reconstruct Bede’s sources is fascinating in its own right. This dissertation interrogates each statement in Bede’s account of the Gregorian mission to Kent, and extrapolates where the content originates. It’s valuable as an insight into how a medieval historian might have worked, but it’s even more interesting as a lense through […]
http://www.upworthy.com/something-alive-is-moving-about-half-of-the-water-in-the-oceans This engaging article provides a quick tour of the huge contribution whales make to the marine environment. As content, it is an unusually clear, concrete explanation of how biodiversity works. For an added bonus, it talks a lot about poo. From a source perspective, the publisher, Upworthy, opens with the statement that the article […]
http://www.technologyreview.com/news/532436/are-telepathy-experiments-stunts-or-science/?utm_campaign=socialsync&utm_medium=social-post&utm_source=twitter There are a great many ‘buts’, for example: the’ telepathy’ experiments transmitted information about as complex as an on-off switch they could only send one command every 20 seconds they required enormous concentration by the sender all is the equipment was bulky and far from ‘wearable’… And yet there are some interesting conversations to […]
https://theconversation.com/the-ozone-hole-leaves-a-lasting-impression-on-southern-climate-34043 Sharon Robinson does a respectable job of explaining why ozobe depletion isn’t just about skin cancer. As she points out: “By changing atmospheric circulation, the ozone hole modifies wind, rain and snowfall patterns across the Southern Hemisphere.”