http://clipmarks.com/clipper/carlosportela/http://rss.clipmarks.com/clipper/carlosportela/15Clip, tag and save information that's important to you. Bookmarks save entire pages...Clipmarks save the specific content that matters to you!en-ushttp://clipmarks.com/clipmark/8B7F69B5-0D59-44DC-B337-4D7336945668/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://www.michaelshermer.com/2009/06/baloney-detection-kit/" title="http://www.michaelshermer.com/2009/06/baloney-detection-kit/">www.michaelshermer.com</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><H3> The Baloney Detection Kit (on RDF TV) </H3></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div>[Video]</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><H4>The Ten Questions</H4></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>Does the source make similar claims?</LI></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>How reliable is the source of the claim?</LI></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>Have the claims been verified by somebody else?</LI></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>Does this fit with the way the world works?</LI></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>Has anyone tried to disprove the claim?</LI></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>Where does the preponderance of evidence point?</LI></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>Is the claimant playing by the rules of science?</LI></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>Is the claimant providing positive evidence?</LI></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>Does the new theory account for as many phenomena as the old theory?</LI></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><LI>Are personal beliefs driving the claim?</LI></div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://www.michaelshermer.com/2009/06/baloney-detection-kit/Wed, 24 Jun 2009 15:11:58 GMThttp://clipmarks.com/clipmark/FB9B6D03-8DB3-4E3C-8DF4-640FD1F2497E/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://dererummundi.blogspot.com/2009/05/miss-atom-2009.html" title="http://dererummundi.blogspot.com/2009/05/miss-atom-2009.html">dererummundi.blogspot.com</a></span></div><div style="padding: 10px;"><img src="http://content7.clipmarks.com/image_cache/carlosportela/512/ADD793B8-1262-45CA-A17A-DFAF255C3253.jpg" alt="" /><br /></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><DIV>A indústria nuclear do leste nunca foi sexy. E é para contrariar essa imagem que se organiza todos os anos um concurso "Miss Atom", em que só podem concorrer func<A href="http://2.bp.blogspot.com/_OIeHHjRt3gQ/Sf2FCxZjeOI/AAAAAAAAB5g/VGkxLlbhjL8/s1600-h/miss-2009-bulgakova.jpg"><IMG border="0" id="BLOGGER_PHOTO_ID_5331563816543287522" alt="" src="http://2.bp.blogspot.com/_OIeHHjRt3gQ/Sf2FCxZjeOI/AAAAAAAAB5g/VGkxLlbhjL8/s400/miss-2009-bulgakova.jpg" /></A>ionárias da indústria nuclear russa. Em cima, uma das concorrentes, tal e qual foi mostrada pela revista "Wired". Mas não foi ela que ganhou: a Miss Atom 2009 é Jekaterina Bulgakowa, 25 anos, na foto ao lado, que é empregada num reactor de investigação no Volga.</DIV></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><img src="http://content8.clipmarks.com/image_cache/carlosportela/512/3C0C30D8-695E-4758-B1D4-655D2E4360EF.jpg" alt="" /><br /></div></div></div><br><div style="margin-bottom: 40px;"></div>http://dererummundi.blogspot.com/2009/05/miss-atom-2009.htmlMon, 04 May 2009 16:08:38 GMThttp://clipmarks.com/clipmark/99CA30CF-EF62-42B6-AFC7-131FED147AF8/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://www.youtube.com/watch?v=8XufjtmEe5w&feature=channel" title="http://www.youtube.com/watch?v=8XufjtmEe5w&feature=channel">www.youtube.com</a></span></div><div style="padding: 10px;"><div>[Video]</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><H1>The Matter with Antimatter</H1></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><SPAN class="description">Equal amounts of matter and antimatter were created at the birth of the universe but there's very little of it around today. Dr Tara Shears explains why this is one of the greatest mysteries in sci... </SPAN></div></div></div></div><br><div style="margin-bottom: 40px;">Tags: <a href="http://clipmarks.com/tags/f%c3%adsica/" rel="tag">física</a></div>http://www.youtube.com/watch?v=8XufjtmEe5w&feature=channelWed, 08 Apr 2009 00:39:23 GMThttp://clipmarks.com/clipmark/C8CAFFEB-0D97-43E9-BA28-88F5AD9B4340/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><b>clipper's remarks:</b> A ADN está aberta à Sociedade Civil, acolhendo todos os particulares e organizações que queiram participar num debate que não pode ser tabu em Portugal.<br/>Toda a energia que consumimos na Terra é proveniente do Sol e a energia do Sol é nuclear.<br/> <br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://dererummundi.blogspot.com/2009/04/manifesto-pela-divulgacao-da-energia.html" title="http://dererummundi.blogspot.com/2009/04/manifesto-pela-divulgacao-da-energia.html">dererummundi.blogspot.com</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><SPAN>Recebemos da Associação para a Divulgação da Energia Nuclear o seguinte manifesto, que é divulgado pelo "Expresso" (assinam o manifesto vários cientistas portugueses como Augusto Barroso, João Caraça, Manuel Sobrinho Simões, Carlos Fiolhais e Carlos Salema):</SPAN></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><DIV>Em 2008 a European Physical Society (<A href="http://www.eps.org/">EPS</A> ), organismo não governamental que representa mais de 100.000 físicos europeus, tornou pública a sua<A href="http://www.eps.org/about-us/position-papers/eps_nuclear/view?searchterm=nuclear"> posição</A> sobre a utilização da energia nuclear para fins pacíficos afirmando que o nuclear pode e deve dar um contributo relevante para o portfolio de fontes energéticas com baixo nível de emissões de CO2.</DIV></div></div></div></div><br><div style="margin-bottom: 40px;">Tags: <a href="http://clipmarks.com/tags/divulga%c3%a7%c3%a3o/" rel="tag">divulgação</a>, <a href="http://clipmarks.com/tags/energia/" rel="tag">energia</a>, <a href="http://clipmarks.com/tags/f%c3%adsica/" rel="tag">física</a>, <a href="http://clipmarks.com/tags/nuclear/" rel="tag">nuclear</a></div>http://dererummundi.blogspot.com/2009/04/manifesto-pela-divulgacao-da-energia.htmlMon, 06 Apr 2009 22:12:40 GMThttp://clipmarks.com/clipmark/66D0E994-52F5-46CF-8A39-48EF09670787/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://www.youtube.com/edu" title="http://www.youtube.com/edu">www.youtube.com</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><DIV id="edu-search-header"> <A href="http://www.youtube.com/edu" id="edu-home-link"> </A> <DIV id="edu-search"> <DIV id="edu-search-text">Pesquisar YouTube EDU:</DIV> <FORM name="edusearch" method="get" action="http://www.youtube.com/edu" class="search-form"> <INPUT type="text" value="" maxlength="128" name="edu_search_query" class="search-term" id="edu-search-term" /> <INPUT type="hidden" value="1" name="action_search" /> <A href="#" id="" class="yt-button"><SPAN>Pesquisar</SPAN></A> </FORM> </DIV> </DIV></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><DIV class="subcategory selected">Mais vistos</DIV></div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://www.youtube.com/eduMon, 30 Mar 2009 18:02:47 GMThttp://clipmarks.com/clipmark/6CEE05A5-A847-4E48-AE6A-1F5D140EC169/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><b>clipper's remarks:</b> Um problema de dimensão infinita <br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://dererummundi.blogspot.com/2009/03/o-amor-e-um-problema-de-dimensao.html" title="http://dererummundi.blogspot.com/2009/03/o-amor-e-um-problema-de-dimensao.html">dererummundi.blogspot.com</a></span></div><div style="padding: 10px;"><img src="http://content9.clipmarks.com/image_cache/carlosportela/512/9978EC23-CC5D-48C7-9ABB-20B043ABACFA.jpg" alt="" /><br /></div></div></div><br><div style="margin-bottom: 40px;"></div>http://dererummundi.blogspot.com/2009/03/o-amor-e-um-problema-de-dimensao.htmlFri, 20 Mar 2009 02:19:33 GMThttp://clipmarks.com/clipmark/D71153BC-B666-40BB-82DB-B2916CCA295D/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><b>clipper's remarks:</b> À procura de planetas do tipo da Terra na nossa galáxia? <br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://www.youtube.com/watch?v=wb_739ZMIb4&eurl=http%3A%2F%2Fastropt%2Eorg%2Fblog%2F2009%2F03%2F09%2Fa%2Dmissao%2Dkepler%2F&feature=player_embedded" title="http://www.youtube.com/watch?v=wb_739ZMIb4&eurl=http%3A%2F%2Fastropt%2Eorg%2Fblog%2F2009%2F03%2F09%2Fa%2Dmissao%2Dkepler%2F&feature=player_embedded">www.youtube.com</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><H1>Kepler Mission - Overview - NASA</H1></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div>[Video]</div></div></div></div><br><div style="margin-bottom: 40px;">Tags: <a href="http://clipmarks.com/tags/astronomia/" rel="tag">astronomia</a>, <a href="http://clipmarks.com/tags/f%c3%adsica/" rel="tag">física</a></div>http://www.youtube.com/watch?v=wb_739ZMIb4&eurl=http%3A%2F%2Fastropt%2Eorg%2Fblog%2F2009%2F03%2F09%2Fa%2Dmissao%2Dkepler%2F&feature=player_embeddedFri, 20 Mar 2009 02:16:41 GMThttp://clipmarks.com/clipmark/19E3CD6E-EB6B-43EB-BC63-B651403EF932/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://info.cern.ch/www20/" title="http://info.cern.ch/www20/">info.cern.ch</a></span></div><div style="padding: 10px;"><img src="http://content6.clipmarks.com/image_cache/carlosportela/512/B300E4D6-238F-4F05-9474-8B18A414C79F.gif" alt="World Wide Web@20" /><br /></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>Twenty years ago this month, something happened at CERN that would change the world forever: Tim Berners-Lee handed a document to his supervisor Mike Sendall entitled "Information Management : a Proposal". "Vague, but exciting" is how Mike described it, and he gave Tim the nod to take his proposal forward. The following year, the World Wide Web was born. This week, it's a pleasure and an honour for us to welcome the Web's inventor back to CERN to mark this special anniversary at the place the Web was born.</P></div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://info.cern.ch/www20/Sun, 15 Mar 2009 10:58:15 GMThttp://clipmarks.com/clipmark/FED94979-8060-4DBE-B554-93212BDC934B/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://www.youtube.com/watch?v=9ZmqbcBsTAw&feature=related" title="http://www.youtube.com/watch?v=9ZmqbcBsTAw&feature=related">www.youtube.com</a></span></div><div style="padding: 10px;"><div>[Video]</div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://www.youtube.com/watch?v=9ZmqbcBsTAw&feature=relatedSat, 14 Mar 2009 18:50:30 GMThttp://clipmarks.com/clipmark/E358A5EF-7B68-4C99-AA38-C87C475A5B51/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://www.open.ac.uk/darwin/devolve-me.php" title="http://www.open.ac.uk/darwin/devolve-me.php">www.open.ac.uk</a></span></div><div style="padding: 10px;"><img src="http://content7.clipmarks.com/image_cache/carlosportela/512/FE67FA51-4304-487A-84F8-11BC519B53AD.gif" alt="Devolve Me" /><br /></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>Ready to journey back in time? Use our fun tool to see yourself as you would have looked as an early human. When you've finished, why not share the results with a friend?</P></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><DIV id="flashDevolution"></DIV></div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://www.open.ac.uk/darwin/devolve-me.phpFri, 13 Feb 2009 19:48:10 GMThttp://clipmarks.com/clipmark/226E5E9F-655A-42AA-8C46-BCDF3B67FA56/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://academicearth.org/courses/fundamentals-of-physics" title="http://academicearth.org/courses/fundamentals-of-physics">academicearth.org</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><DIV id="feature-bar"><DIV><DIV><IMG height="80" hspace="0" src="http://academicearth.org/img/Course/300006/l_imagefile.jpg" width="144" vspace="0" /> </DIV><IMG height="46" alt="Course" hspace="0" src="http://academicearth.org/img/banner-course.gif" width="46" vspace="0" /> <H1>Fundamentals of Physics</H1><H2><A href="http://academicearth.org/speakers/ramamurti-shankar-1">Ramamurti Shankar</A><BR /><A href="http://academicearth.org/universities/yale">Yale</A> </H2></DIV></DIV></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>This course provides a thorough introduction to the principles and methods of physics for students who have good preparation in physics and mathematics. Emphasis is placed on problem solving and quantitative reasoning. This course covers Newtonian mechanics, special relativity, gravitation, thermodynamics, and waves.</P></div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://academicearth.org/courses/fundamentals-of-physicsFri, 30 Jan 2009 15:23:52 GMThttp://clipmarks.com/clipmark/195F95DF-207F-4ECD-A3BE-B9950D146CAB/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://academicearth.org/courses/physics-iii-vibrations-and-waves" title="http://academicearth.org/courses/physics-iii-vibrations-and-waves">academicearth.org</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><DIV id="feature-bar"><DIV><DIV><IMG height="80" hspace="0" src="http://academicearth.org/img/Course/100021/l_imagefile.jpg" width="144" vspace="0" /> </DIV><IMG height="46" alt="Course" hspace="0" src="http://academicearth.org/img/banner-course.gif" width="46" vspace="0" /> <H1>Physics III: Vibrations and Waves</H1><H2><A href="http://academicearth.org/speakers/walter-lewin-1">Walter Lewin</A><BR /><A href="http://academicearth.org/universities/mit">MIT</A> </H2></DIV></DIV></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>In addition to the traditional topics of mechanical vibrations and waves, coupled oscillators, and electro-magnetic radiation, this course also discusses musical instruments, red sunsets, glories, coronae, rainbows, haloes, X-ray binaries, neutron stars, black holes and big-bang cosmology.</P></div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://academicearth.org/courses/physics-iii-vibrations-and-wavesFri, 30 Jan 2009 15:22:23 GMThttp://clipmarks.com/clipmark/11D0ACA4-00B4-44E1-9723-F69E69C75BD5/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://academicearth.org/courses/physics-ii-electricity-and-magnetism" title="http://academicearth.org/courses/physics-ii-electricity-and-magnetism">academicearth.org</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><DIV id="feature-bar"><DIV><DIV><IMG height="80" hspace="0" src="http://academicearth.org/img/Course/100020/l_imagefile.jpg" width="144" vspace="0" /> </DIV><IMG height="46" alt="Course" hspace="0" src="http://academicearth.org/img/banner-course.gif" width="46" vspace="0" /> <H1>Physics II: Electricity and Magnetism</H1><H2><A href="http://academicearth.org/speakers/walter-lewin-1">Walter Lewin</A><BR /><A href="http://academicearth.org/universities/mit">MIT</A> </H2></DIV></DIV></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>In addition to the basic concepts of Electromagnetism, a vast variety of interesting topics are covered in this course: Lightning, Pacemakers, Electric Shock Treatment, Electrocardiograms, Metal Detectors, Musical Instruments, Magnetic Levitation, Bullet Trains, Electric Motors, Radios, TV, Car Coils, Superconductivity, Aurora Borealis, Rainbows, Radio Telescopes, Interferometers, Particle Accelerators (a.k.a. Atom Smashers or Colliders), Mass Spectrometers, Red Sunsets, Blue Skies, Haloes around Sun and Moon, Color Perception, Doppler Effect, Big-Bang Cosmology.</P></div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://academicearth.org/courses/physics-ii-electricity-and-magnetismFri, 30 Jan 2009 15:21:19 GMThttp://clipmarks.com/clipmark/E93DAF47-E79D-4821-957D-E9FC96209A82/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://academicearth.org/courses/physics-i-classical-mechanics" title="http://academicearth.org/courses/physics-i-classical-mechanics">academicearth.org</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><DIV id="feature-bar"><DIV><DIV><IMG height="80" hspace="0" src="http://academicearth.org/img/Course/100019/l_imagefile.jpg" width="144" vspace="0" /> </DIV><IMG height="46" alt="Course" hspace="0" src="http://academicearth.org/img/banner-course.gif" width="46" vspace="0" /> <H1>Physics I: Classical Mechanics</H1><H2><A href="http://academicearth.org/speakers/walter-lewin-1">Walter Lewin</A><BR /><A href="http://academicearth.org/universities/mit">MIT</A> </H2></DIV></DIV></div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P>This course is a first-semester freshman physics class in Newtonian Mechanics, Fluid Mechanics, and Kinetic Gas Theory. In addition to the basic concepts a variety of interesting topics are covered in this course: Binary Stars, Neutron Stars, Black Holes, Resonance Phenomena, Musical Instruments, Stellar Collapse, Supernovae, Astronomical observations from very high flying balloons (lecture 35), and you will be allowed a peek into the intriguing Quantum World.</P></div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://academicearth.org/courses/physics-i-classical-mechanicsFri, 30 Jan 2009 15:20:03 GMThttp://clipmarks.com/clipmark/8CEA07E9-6243-4074-8C83-37544D0D9231/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/carlosportela/">carlosportela</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://en.wikipedia.org/wiki/Wikipedia:Today%27s_featured_picture_%28animation%29/August_7%2C_2008" title="http://en.wikipedia.org/wiki/Wikipedia:Today%27s_featured_picture_%28animation%29/August_7%2C_2008">en.wikipedia.org</a></span></div><div style="padding: 10px;"><img src="http://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Spinning_Dancer.gif/250px-Spinning_Dancer.gif" alt="The Spinning Dancer" /><br /></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;"><P><B><A title="The Spinning Dancer" href="http://en.wikipedia.org/wiki/The_Spinning_Dancer">The Spinning Dancer</A></B> is a kinetic, <A title="Multistable perception" href="http://en.wikipedia.org/wiki/Multistable_perception">bistable</A> <A title="Optical illusion" href="http://en.wikipedia.org/wiki/Optical_illusion">optical illusion</A> resembling a <A title="Glossary of ballet" href="http://en.wikipedia.org/wiki/Glossary_of_ballet#Pirouette">pirouetting</A> female dancer. Some observers initially see the figure as spinning <A title="Clockwise" href="http://en.wikipedia.org/wiki/Clockwise">clockwise</A> and some counter-clockwise. Additionally, some may see the figure suddenly spin in the opposite direction. The illusion derives from an inherent <A title="Isometric illusion" href="http://en.wikipedia.org/wiki/Isometric_illusion">ambiguity</A> from the lack of visual cues for depth. There are other optical illusions that originate from the same or similar kind of visual ambiguity, such as the <A title="Necker cube" href="http://en.wikipedia.org/wiki/Necker_cube">Necker cube</A>.</P></div></div></div></div><br><div style="margin-bottom: 40px;"></div>http://en.wikipedia.org/wiki/Wikipedia:Today%27s_featured_picture_%28animation%29/August_7%2C_2008Thu, 07 Aug 2008 19:52:43 GMT