10.txt

搜索邀请的改进算法

      <li><small><font face="Arial">
<a href="http://www.solarviews.com">SolarViews.com</a> great views and statistics about the solar system</font></small></li>
      <li><small><font face="Arial">
<a href="http://www.seti-inst.edu/">The SETI Institute</a></font></small></li>
      <li><small><font face="Arial">
<a href="http://www.frontiernet.net/~kidpower/astronomy.html">Astronomy For Kids</a> intended for elementary-level students</font></small></li>
      <li><small><font face="Arial">
<a href="http://vortex.plymouth.edu/sun.html">Here Comes the Sun: a solar-terrestrial tutorial</a>&nbsp; from Plymouth State College</font></small></li>
      <li><a href="http://www.cnn.com/space">CNN Space coverage</a></li>
      <li><small><font face="Arial"><a href="http://www.space.com">Space.com</a> breaking space
        news, links</font></small><strong></li>
             </ul>
        <p></strong>DAILY ASTRONOMY
      PICTURE</a><br>
      <a href="http://www.space.com/">SPACE.COM</a><br>
      <a href="http://www.nasa.gov/">NASA HOMEPAGE</a><br>
      <a href="http://www.stsci.edu/">HUBBLE SPACE TELESCOPE</a><br>
      <a href="http://www.gsfc.nasa.gov/">GODDARD SPACE FLIGHT CENTER</a><br>
      <a href="http://www.ksc.nasa.gov/">KENNEDY SPACE CENTER</a><br>
      <a href="http://www.jsc.nasa.gov/">JOHNSON SPACE CENTER</a><br>
      <a href="http://www.sel.noaa.gov/">SPACE ENVIRONMENT CENTER</a><br>
      <a href="http://spaceflight.nasa.gov/">HUMAN SPACEFLIGHT</a><br>
      <a href="http://earth.jsc.nasa.gov/">EARTH PHOTOS FROM SPACE</a><br>
      <a href="http://www.nasm.edu/">AIR AND SPACE MUSEUM</a><br>
      <a href="http://spaceflight.nasa.gov/station/">INTERNATIONAL SPACE STATION</a><br>
      <a href="http://amazing-space.stsci.edu/">AMAZING SPACE</a><br>
      <a href="http://www.space.com/spacenews/">SPACE NEWS</a><br>
      <a href="http://www.cnn.com/TECH/space/">CNN'S SPACE TECHNOLOGY</a><br>
      <a href="http://www.nss.org/">NATIONAL SPACE SOCIETY</a><br>
      <a href="http://www.space.gc.ca/">CANADIAN SPACE AGENCY</a><br>
      <a href="http://jpl.nasa.gov/">JET PROPULSION LABORATORY</a><br>
      <a href="http://www.spacecamp.com/">SPACE CAMP</a><br>
      <a href="http://spaceplace.jpl.nasa.gov/spacepl.htm">SPACE PLACE</a><br>
      <strong>
  </li>
  <li><font face="Arial"><a name="Fun stuff"><font SIZE="+2">Fun stuff...Feynman, Einstein
    etc.</font> </a></font><a href="http://www.mindspring.com/~madpickl/feyn.htm"><ul></a>
      <li></strong>
<a href="http://scienceworld.wolfram.com/physics/">Eric Weisstein's World of Physics</a> ... meta site</li>
      <li>
<a href="http://scienceworld.wolfram.com/astronomy/">Eric Weisstein's World of Astronomy</a> ... meta site</li>
      <li>
<a href="http://scienceworld.wolfram.com/biography/">Eric Weisstein's World of Scientific Biography</a></li>
      <li><a href="http://mathworld.wolfram.com/">Eric Weisstein's World of Mathematics</a></li>
      <li>
<a href="http://scienceworld.wolfram.com/chemistry/">Eric Weisstein's World of Chemistry</a></li>
      <li><font face="Arial"><small>
<a href="http://www.mindspring.com/~madpickl/feyn.htm" name="Fun Stuff">Richard Feynman CoolSite! </a>
</small></font></li>
      <li><small><font face="Arial">
<a href="http://www.pbs.org/wgbh/pages/nova/einstein/links.html">Albert Einstein: great links</a>
        </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.colorado.edu/physics/2000/">Physics 2000 at U of Colorado </a>... an interactive journey through modern physics</font></small></li>
      <li><small><font face="Arial">
<a href="http://www.hcc.hawaii.edu/hccinfo/instruct/div5/sci/sci122/newton/newtpers.html">Newton's Curriculum Vitae</a></font></small></li>
      <li><small><font face="Arial">
<a href="http://www.aip.org/history/">American Institute of Physics: History of Physics</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.eskimo.com/~billb/index.html">Science Hobbyist (cool stuff here)</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://yorty.sonoma.edu/people/faculty/tenn/Educational.html">Physics Resources on the 'Net</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.rain.org/~rcurtis/physics.html">Robert Kern Curtis's Physics Stuff</a> ... a collection of links</font></small></li>
      <li><small><font face="Arial">
<a href="http://www.weburbia.com/physics/faq.html">Physics FAQ from Sci.Physics etc.</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.exploratorium.edu/learning_studio/">The Learning Studio at the Exploratorium</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.glenbrook.k12.il.us/gbssci/phys/phys.html">Glenbrook South High School</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.zen.co.uk/nchadd/">Discover the World of Physics (North Chadderton High School, England)</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www-groups.dcs.st-and.ac.uk/~history/Curves/Curves.html">Famous Mathematical &quot;Curves&quot;</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.princeton.edu/~asmits/Bicycle_web/bicycle_aero.html">Aerodynamics of Bicyling</a> Pick of the Month May 1999</font></small></li>
      <li><small><font face="Arial">
<a href="http://www.learner.org/exhibits/parkphysics/">Amusement Park Physics</a>
(the Annenberg Project)</font></small></li>
<a href="http://ericir.syr.edu/Projects/Newton/12/Lessons/bridges.html">Newton's Apple Home Page</a> </small></font></li>
      <li><small><font face="Arial">
<a href="http://av.yahoo.com/bin/search?p=Tacoma+Narrows+Bridge">Tacoma Bridge Collapse </a>Various
        sites with great pics! </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.ferris.edu/htmls/academics/course.offerings/physbo/MultiM/bridge/bridge.htm">Bridges and Resonance: Tacoma Narrows Bridge </a></font></small></li>
      <li><small><font face="Arial">
<a href="http://www.scsolutions.com/bridge.html">Bridge Engineering Links</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.balsabridge.com">Notre Dame's Bridge Building Contest</a>
        </font></small></li>
      <li><font face="Arial"><small>
<a href="http://www.engineeringsights.org/">Sightseer's Guide to Engineering</a></small></font></li>
      <li><small><font face="Arial">
<a href="http://www.jhu.edu/~virtlab/virtlab.html">Virtual Engineering Laboratory</a> Pick of the Month for April '98 </font></small><strong></li>
    </ul>
  </li>
  <li><font face="Arial"><a name="Earthquake/Earth Sciences information"><font SIZE="+2">Earthquake/Earth
    Sciences information</font> </a></font><ul>
      <li></strong><font face="Arial"><small>
<a href="http://www.iris.washington.edu/gifs/iris.epi.map.gif">Latest map: 10 strongest earthquakes worldwide</a><img SRC="world.gif" ALT="World logo" BORDER="0" VSPACE="0"
        ALIGN="RIGHT" width="100" height="75"><br>
        ...from the geophysics department at the University of Washington</small></font></li>
      <li><font face="Arial"><small>
<a href="http://www.iris.washington.edu/seismic/60_2040_1_8.html">World Seismic Activity Monitor</a> (slow, but worth the wait!)</small></font></li>
      <li><font face="Arial"><small>
<a href="http://quake.wr.usgs.gov/cgi-bin/quake/seismo.emr.ca/name=quake%22">Recent Earthquakes in Canada</a><br>
        ...details on earthquakes in the past thirty days</small></font></li>
      <li><font face="Arial"><small>
<a href="http://www.gps.caltech.edu/seismo/">Latest Earthquake Info from Caltech</a><br>
<a href="http://www.fourmilab.ch/earthview/vplanet.html">Earthview: satellite imagery</a> </small></font></li>
      <li><font face="Arial"><small>
<a href="physics/weather.html">Weather Imagery</a></small></font></li>
      <li><font face="Arial"><small>
<a href="http://www.weather.com/glossary">Weather Terminology</a></small></font></li>
      <li><font face="Arial"><small>
<a href="http://www.barringercrater.com/">The Barringer Crater</a></small></font></li>
      <li><font face="Arial"><small>
<a href="http://vortex.plymouth.edu/sun.html">Here Comes the Sun: a solar-terrestrial tutorial </a>from Plymouth State College</small></font><strong></li>
      <li></strong>
<a href="http://main.amu.edu.pl/~zbzw/glob/glob1.htm">Maps and Globes Galore</small></font></a><strong></li>
    </ul>
  </li>
  <li><font face="Arial"><a name="Particle Physics"><font SIZE="+2">Particle Physics</font> </a></font><ul>
      <li></strong><font face="Arial"><small><a href="http://www.fnal.gov/"name="Particle Physics">Fermi National Accelerator Laboratory</a></small></font></li>
      <li><small><font face="Arial">
<a href="http://www2.slac.stanford.edu/vvc/home.html">Stanford Linear Accelerator Laboratory (SLAC) </a></font></small></li>
      <li><small><font face="Arial">
<a href="http://w3.pppl.gov/~dstotler/SSFD">Operate a Tokamak Reactor</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.particleadventure.org/index.html">The Particle Adventure</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.cord.edu/dept/physics/drphysics/">Ask Dr.Physics</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.tp.umu.se/TIPTOP/">Internet Pilot to Physics</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.servtech.com/public/wkimler/">The Physics Connexion</a> (Our pick of the month for Jan '97) </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.servtech.com/public/wkimler/problems/problems.html">Physics Connexion Problems Resource</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://hyperion.advanced.org/10796/index.html">Learn Physics Today</a></font></small></li>
      <li><small><font face="Arial">
<a href="http://charm.physics.ucsb.edu/people/hnn/physicists.html">Images of Physicists</a> </font></small></li>
      <li><small><font face="Arial"><a href="http://physics.digiweb.com/">Physics Factory</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.aip.org/aip/careers/careers.html">Physics Careers: American Institute of Physics</a> </font></small></li>
      <li><small><font face="Arial">
<a href="news:sci.physics">Newsgroup: Sci.Physics</a> </font></small></li>
      <li><small><font face="Arial">
<a href="news:sci.space.news">Newsgroup: Sci.Space.News</a> </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.newscientist.com/">New Scientist Magazine</a>
        </font></small></li>
      <li><small><font face="Arial">
<a href="http://www.almaz.com/nobel/nobel.html">Nobel Prizes Database</a></font></small></li>
      <li><small><font face="Arial">
<a href="http://www.pbs.org/opb/nerds2.0.1">Nerds 2.0.1: A Brief History of the Internet</a> (if you like Physics you'll probably enjoy this)</font></small><strong></li>
    </ul>
  </li>
  <li><font face="Arial"><a name="Media Links: TV Channels/Programs"><font SIZE="+2">Media
    Links: TV Channels/Programs</font> </a></font><ul>
      <li></strong><font face="Arial"><small>
<a href="http://www.aetv.com/index2.html">Arts &amp;Entertainment Channel</a> </small></font></li>
      <li><font face="Arial"><small><a href="http://www.exn.net/onair/">Discovery Channel (Canada)</a>
        </small></font></li>
      <li><font face="Arial"><small>
<a href="http://www.ola.bc.ca/knowledge/">Knowledge Network(BC)</a> </small></font></li>
      <li><font face="Arial"><small><a href="http://www.hq.nasa.gov/ntv.html">NASA TV</a> </small></font></li>
      <li><font face="Arial"><small><a href="http://www.ola.bc.ca/">Open Learning Agency (BC)</a> </small></font></li>
      <li><font face="Arial"><small><a
        href="http://www.discovery.com/diginets/learning/learning.html">The Learning Channel (TLC)</a>
        </small></font></li>
      <li><font face="Arial"><small><a href="http://www.pbs.org/">Public Broadcasting System (PBS)</a>
        </small></font></li>
      <li><font face="Arial"><small><a href="http://www.kcts.org/">KCTS (PBS Seattle)</a> </small></font></li>
      <li><font face="Arial"><small><a href="http://www.boston.com/wgbh/nova">NOVA (WGBH) Web Site</a>
        </small></font><strong></li>
    </ul>
  </li>
  <li><a name="Media Links: Magazines, Newspapers, Newsletters"><font face="Arial" SIZE="+2">Media
    Links: Magazines, Newspapers, Newsletters</font><font face="Arial">, Meta sites</font></a><ul>
      <li></strong><font face="Arial"><small>
<a href="http://www.kalmbach.com/astro/astronomy.html">Astronomy Magazine</a> </small></font></li>
      <li><font face="Arial"><small>
<a href="http://www.demon.co.uk/astronomer/">Astronomer, The- British magazine for advanced amateur astronomers. </a></small></font></li>
      <li><font face="Arial"><small><a href="http://www.nature.com/">Nature</a> </small></font></li>
      <li><font face="Arial"><small><a href="http://www.newscientist.com/">New Scientist Magazine</a>
        </small></font></li>
      <li><font face="Arial"><small>
<a href="http://www.aip.org/pinet/listserver/PHYSNEWS.latest.html">This Week's Physics News Update from AIP</a> </small></font></li>
      <li><a href="http://www.science.uwaterloo.ca/physics/p13news/p13news.html">Phys 13 News</a></li>
      <li><a href="http://physicsweb.org/">Physics Web </a></li>
      <li><font face="Arial"><small><a href="http://physicsweb.org/toc">Physics World </a>(Great
        Britain) </small></font></li>
      <li><font face="Arial"><small><a href="http://www.nsta.org/quantum/">Quantum Magazine</a> </small></font></li>
      <li><font face="Arial"><small>
<a href="http://whyfiles.news.wisc.edu/">Science Behind The News</a> </small></font></li>
      <li><font face="Arial"><small>
<a href="http://www.sciencenow.org/">ScienceNow </a>(daily and
        weekly news from AAAS) </small></font></li>