Here are a few of my fab sites.
Science
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(1) www.nature.com
(2) www.newscientist.com
(3) research.att.com
(4) www.byte.com
(5) www.ieee.org
(6) www.allwonders.com
(7) www.linux.com
(8) www.oracle.com
(9) www.ihatebillgates.com
(10) www.howstuffworks.com
(11) www.netvarsity.com
(12) www.ipsecure.com
(13) www.hackers.com
(14) www.grc.com
(15) www.htmlguru.com
(16) www.dspguru.com ( good for digital signal processing)
(17) www.embedded.com ( good for digital signal processing)
8) www.chipcenter.com ( good for digital signal processing)
19) www.mathtools.net ( good for digital signal processing)
(20) www.privitsa.com ( security aspects )
(21) www.technology.com
(22) www.cai.com
(23) www.amsci.com
(American Scientific journal )
(24) www.kingston.com/tools ( info about memory systems)
(25) www.openssl.org
(26) www.rsasecurity.com
(27) http://www.intelinfo.com/cat2.html
(28) www.programmersheaven.com
(29) www.codeproject.com
(30) www.csharphelp.com
(31) www.beyond2000.com
(32) http://www.microcontroller.com/embedded/tutorials/tutorials.htm
(33) www.codeguru.com
(34) www.windrivers.com
(35) www.ufocity.com
(36) www.linuxplanet.com
(37) www.techies.com
(38) http://simputer.thisaddress.net/
(39) www.siliconindia.com
(40) www.ccicmumbai.com (Mumbai Cyber crimes )
(41) www.allaire.com
(42) www.zdnet.com
(43) www.download.com
(44) www.javaboutique.internet.com/aipconvex/ ( for java applets)
(45) www.laynetworks.com
(46) www.brinkster.com
( for great webpage designing)
(47) www.techreview.com ( site maintained by MIT )
(48) www.Slashdot.org
(49) www.rtp.org ( info about research institutes in NC)
(50) http://www.perlSource.net ( for online training in Bioinformatics and Genomics. They have faculty trained at Cold Spring Harbor Laboratory and MIT and the US Biotech industry)
(51) www.cyc.com ( a site on AI )
(52) www.firstscience.com
(53) www.pchell.com/internet
(54) www.fearofphysics.com
(55) www.cpuscorecard.com
( abt processor info )
(56) www.holosonics.com
(57) www.arm.com
(58) www.webopedia.com (Technical dictonary)
(59) www.the-scientist.com
(60) http://vmoc.museophile.com ( history of computers )
(61) http://www.cbi.umn.edu ( institute working towards writing history of computing )
(62) www.leedberg.com ( you can download virtual chatbots like Billy, Daisy and Link from this site )
(63) www.toymania.com/columns/profiles (profiles of people making toys)
(64) www.scitoys.com
(65) www.isoc.org (History of Internet )
(66) www.siliconvalleyccie.com (good site for Linux )
www.tannet.com (job site)
SOFTWARE ENGINEERING
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(1) http://www.software-engineer.org
Literature
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(1) www.sulekha.com
(2) www.indianest.com
(3) www.meghdutam.com
(4) www.live2read.com
(5) http://ahuda.homestead.com/sunlight.html
(6) www.pitara.com ( for children )
(7) www.anamika.com
(8) www.browncritique.com
(9) www.sawaal.com
(10) www.zipahead.com
(11) www.onmag.com
(12) www.themestream.com
(13) www.oyeindia.com
(14) www.eastpanorama.com
(15) www.short-stories.co.uk
(16) www.amitavghosh.com
( official website of Amitav Ghosh )
(17) www.storiesfromindia.com
(18) www.indiastar.com
(19) www.fantasticfiction.co.uk
Current affairs
---------------
(1) www.theeconomist.com
(2) www.bbc.co.uk
(3) www.thestatesman.net
(4) www.time.com
(5) www.sentinelassam.com (The Sentinel)
Screen Savers
-------------
(1) www.webshots.com
(2) www.screensaver.com
(3) www.corbis.com
(4) www.angelfire.com
(5) www.funstun.com
(6) www.freecartoons.com
(7) www.hallmark.com
(8) www.vindia.com
(9) www.ecardzone.com
(10) www.clipart.com
(11) www.postcard.net
(12) www.flower.com
(13) www.screensavershot.com
(14) www.sulekha.com (sulekha album )
(15) www.abstractfonts.com
Bengali mags
---------------
(1) www.parabaas.com
(2) www.banglalive.com
(3) www.banglahaat.com
(4) www.boi-boi.com
(5) www.epatra.com
( for bangla letter writing )
(6) www.calcuttaweb.com
Sites on Seven Sisters : North-East India
---------------
(1) http://travel.indiamart.com/meghalaya/
(2) http://manipur.nic.in/
(3) http://www.tripurainfo.com/
(4) http://www.india-travel.com/mizo.htm
(5) http://www.arunachaltourism.com/
(6) http://assamgovt.nic.in/
Medical
---------------
(1) www.medmatrix.org
(2) www.raredisease.org
(3) www.amhrt.org
(4) www.kidsforhealth.com
(5) www.webmd.com
(6) www.hon.ch
Meditation
---------------
(1) www.vipassana.com
(2) www.hindubooks.org
(3) http://hinduism.about.com/religion/hinduism/
(4) www.ciks.org (Centre for Indian Knowledge Systems)
Interesting sites
-------------------
(1) www.kqscore.com
( measures knowledge quotient )
(2) www.brainbench.com
(3) www.about.com
(4) www.funnyprofessor.com (contains IGNOU solutions)
(5) www.crimescene.com (abt sleuthing)
(6) www.bbclearning.com
(7) www.worldwidewords.org
(8) www.easytype.com
Site on films
-----------------
(1) www.filmeducation.org
(2) www.indofilms.com
(3) www.netfilx.com
(4) www.half.com
( for buying CD/DVDS )
(5) www.cinematographer.com/magazine/
(6) www.reelclassics.com
(7) www.rotten-tomatoes.com
(8) www.us.imdb.com
(9) www.hollywood.com
(10) www.rupaliparda.com ( a good site for Assamese films )
(11) www.imago.org ( about Cinematography)
(12) www.filmref.com
(13) http://www.httpcity.com/mithun/ ( A site on Mithun Chakravorty)