Stuff I linked to on Twitter last week

More interesting links that I’ve shared via Twitter over the past seven days.
Volcanic cone-ilicious! : Marion Island, South Africa.
http://earthobservatory.nasa.gov/IOTD/view.php?id=40806
(via @EarthObser)
Break out the stickyback plastic! : Build a high resolution spectrograph in 15 minutes.
http://sci-toys.com/scitoys/scitoys/light/spectrograph/spectrograph.html
(via @BoraZ, @sqfield)
Here’s what sea ice looks like from 20,000 ft from flight over Antarctica.
http://twitpic.com/lvtxg
(via @geogirldi, @mihaela4021, @NASA, @IceBridge)
LCROSS mission just posted new update: & images: But, no word on H2O detection.
http://www.nasa.gov/mission_pages/LCROSS/main/LCROSS_impact.html ,http://www.nasa.gov/mission_pages/LCROSS/main/LCROSS_impact_images.html
(via @elakdawalla)
Make sure to check out the animation : Cassini and IBEX results indicate heliosphere is a big bubble
http://saturn.jpl.nasa.gov/news/cassinifeatures/newsrelease20091015/
(via @CassiniSaturn)
Cool webcam pictures from the ongoing eruption of Chaiten
http://volcanism.wordpress.com/2009/10/15/the-view-from-chaiten-15-october-2009/
Hmm. No real evidence for this so far : giant impact near India – not Mexico – may have doomed dinosaurs.
http://www.physorg.com/news174827113.html
(via @physorg_com)
A reminder that analogies can be stretched too far: important physical diffs between lava lamps and mantle convection.
http://www.physorg.com/news174764751.html
Fascinating eyewitness account of 1989 Loma Prieta earthquake.
http://scienceblogs.com/stressrelated/2009/10/the_great_california_shake_out.php
(via @stressrelated)
Video: Changes in Arctic sea ice coverage from 1978 to 2008.
http://www.guardian.co.uk/environment/video/2009/oct/14/arctic-sea-ice-coverage
(via @guardianscience)
Check out this awesome photo compilation of erupting volcanoes.
http://pixdaus.com/?sort=tag&tag=volcano
(via @clasticdetritus)
Satellite imagery of tsunamI damage to Samoan coast :
http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=40745
Very nice, polished piece by on physicists who go out on a limb as climate skeptics
http://arthur.shumwaysmith.com/life/content/the_arrogance_of_physicists
(via @mtobis, @arthursmith)
Solid evidence of paleo-lakes on Mars! >3 billion years old though, before you get too excited.
http://www.dailygalaxy.com/my_weblog/2009/10/the-paleolakes-of-mars-are-fossil-fish-next.html
(via @geologynews)
Scientists seek truth on oil sands damage. "academic community has been pretty quiet" so far, it seems.
http://www.theglobeandmail.com/report-on-business/scientists-seek-truth-on-oil-sands-damage/article1319806/
(via @geology4u)
Morphological differences between juvenile, adult dinosaurs might mean 1/3 of species ‘do not exist’.
http://www.physorg.com/news174634964.html
(via @physorg_com)
Awesome! Saturnian aurora!
http://planetary.org/blog/article/00002162/, longer animation http://planetary.s3.amazonaws.com/cassini/saturn_aurora_cassini_astro0.gif
(via @elakdawalla)
Literally Doomed. I think poor writing is due to not enough reading: you learn by exposure to good writing.
http://science-professor.blogspot.com/2009/10/literally-doomed.html
UK cities need portfolio of measures that minimize impact of climate change while allowing for growth
http://www.physorg.com/news174576543.html
WANT! Is this the coolest space exploration poster ever made?
http://www.flickr.com/photos/adamcrowe/4002050596/sizes/o/
(via @NatureNews, @DrStuClark, @ScienceSoWhat)
Airships set for Arctic’s heavy lifting
http://www.calgaryherald.com/entertainment/Airships+Arctic+heavy+lifting/2084159/story.html
Meltwater, patterned ground, debris flow levees and more on 0.5 km asteroid:
http://www.psi.edu/pgwg/images/oct09image.html
(via @aboutgeology)
Killer earthquakes shake scientific thought Could EQ cycles at diff plate boundary segments move into phase somehow?
http://www.physorg.com/news174481366.html
Research offers hope for oxygen, life in Europa’s oceans Based on chemistry of ice upwelling into surface cracks…
http://arizonageology.blogspot.com/2009/10/ua-research-offers-hope-for-oxygen-life.html