General Science & Technology

If it doesn't fit into any of the categories below...

Page 6 of 225
Sort by:
Title Start Date
Replies ↓ Views
Last Message
  1. ElectricFetus
    Locked

    BioFuels vs. Hydrogen economy

    ElectricFetus, Jun 9, 2003 ... 3 4 5
    Replies:
    98
    Views:
    17,354
    guthrie
    Nov 21, 2004
  2. billvon

    Downwind faster than the wind

    billvon, Jun 4, 2013 ... 3 4 5
    Replies:
    97
    Views:
    9,773
    KitemanSA
    Jun 21, 2013
  3. Avatar
    Locked

    Gas pistol for self defence

    Avatar, Jan 4, 2008 ... 3 4 5
    Replies:
    97
    Views:
    11,003
    [a-5]
    Jan 14, 2008
  4. Roman
    Locked

    Missile Defense

    Roman, May 5, 2007 ... 3 4 5
    Replies:
    96
    Views:
    6,271
    kmguru
    Jun 8, 2007
  5. thecurly1
    Locked

    What will be the most important invention in the military of the next century!

    thecurly1, Jul 10, 2001 ... 3 4 5
    Replies:
    95
    Views:
    12,155
    erich_knight
    Sep 23, 2005
  6. Success_Machine
    Locked

    The Cube

    Success_Machine, Feb 11, 2003 ... 3 4 5
    Replies:
    95
    Views:
    5,121
    Jaxom
    Feb 21, 2003
  7. EmptyForceOfChi
    Locked

    before the big bang,

    EmptyForceOfChi, Nov 16, 2005 ... 3 4 5
    Replies:
    94
    Views:
    5,906
    D H
    Dec 27, 2005
  8. Neurostudent

    Pentagon admits that ghosts exist.

    Neurostudent, May 24, 2022 ... 3 4 5
    Replies:
    93
    Views:
    10,392
    Beaconator
    Aug 16, 2022
  9. cato
    Locked

    Microcontroller thread #4!!!

    cato, Dec 22, 2006 ... 3 4 5
    Replies:
    93
    Views:
    4,996
    cato
    Jan 20, 2007
  10. arauca
    Locked

    Early technique in cutting stones

    arauca, Jan 11, 2012 ... 3 4 5
    Replies:
    92
    Views:
    7,496
    kwhilborn
    Jan 13, 2012
  11. JimmyJames
    Locked

    Photo reading???

    JimmyJames, Jul 17, 2001 ... 3 4 5
    Replies:
    92
    Views:
    77,095
    NevroNils
    Jul 18, 2011
  12. geek

    How could human beings move out of Africa with so many large, fierce animals?

    geek, Dec 6, 2017 ... 3 4 5
    Replies:
    91
    Views:
    8,552
    RADII
    Dec 27, 2017
  13. sculptor

    Is Science Really Self-Correcting?

    sculptor, Apr 12, 2016 ... 3 4 5
    Replies:
    91
    Views:
    4,640
    Schneibster
    Apr 18, 2016
  14. scheherazade
    Locked

    Nomophobia. Do you have it?

    scheherazade, Feb 18, 2012 ... 3 4 5
    Replies:
    91
    Views:
    6,446
    Stoniphi
    Feb 25, 2012
  15. jack54
    Locked

    I worry about my microwave

    jack54, Dec 17, 2005 ... 3 4 5
    Replies:
    91
    Views:
    6,239
    MetaKron
    Dec 22, 2005
  16. elct
    Locked

    free electricity possible?

    elct, May 24, 2012 ... 3 4 5
    Replies:
    90
    Views:
    9,562
    DaS Energy
    Aug 1, 2012
  17. scilosopher
    Locked

    Science and Ideology

    scilosopher, Nov 17, 2003 ... 3 4 5
    Replies:
    90
    Views:
    5,526
    scilosopher
    Dec 13, 2003
  18. paddoboy

    Human presence in Arctic

    paddoboy, Jan 14, 2016 ... 3 4 5
    Replies:
    89
    Views:
    4,862
    paddoboy
    Jan 20, 2016
  19. garbonzo

    When something is unknown, does Occam's Razor always take over?

    garbonzo, Jul 25, 2013 ... 3 4 5
    Replies:
    89
    Views:
    10,027
    billvon
    Aug 9, 2013
  20. Reiku
    Locked

    Is Big Bang wrong?

    Reiku, Dec 28, 2011 ... 3 4 5
    Replies:
    88
    Views:
    7,201
    RealityCheck
    Jan 3, 2012
Showing threads 101 to 120 of 4,497

Thread Display Options

Loading...
Page 6 of 225