Architecture & Engineering

planning, construction, design, civil & mechanical engineering

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  1. hombre
    Locked

    Semiconductors from stone knives and bear skins

    hombre, Dec 16, 2011
    Replies:
    2
    Views:
    7,658
    hombre
    Dec 17, 2011
  2. Syne

    Simple mechanism to translate linear to rotational motion?

    Syne, Sep 29, 2016
    Replies:
    7
    Views:
    3,889
    Syne
    Nov 21, 2016
  3. USS Exeter
    Locked

    Single Stage to Orbit

    USS Exeter, Dec 2, 2007 ... 2
    Replies:
    23
    Views:
    7,246
    Billy T
    Feb 10, 2008
  4. TruthSeeker
    Locked

    SkyCity

    TruthSeeker, Jul 12, 2007
    Replies:
    4
    Views:
    3,154
    PreverseBeing
    Jul 13, 2007
  5. Plazma Inferno!

    Small, cheap gravity gadget to peer underground

    Plazma Inferno!, Apr 1, 2016
    Replies:
    0
    Views:
    741
    Plazma Inferno!
    Apr 1, 2016
  6. Magical Realist

    Smart interactive highways

    Magical Realist, May 15, 2014
    Replies:
    6
    Views:
    906
    Kittamaru
    May 16, 2014
  7. Plazma Inferno!

    Smog-sucking tower cleans 30,000 cubic meters of air per hour

    Plazma Inferno!, Feb 1, 2016
    Replies:
    0
    Views:
    794
    Plazma Inferno!
    Feb 1, 2016
  8. X-Man2
    Locked

    Solar Panel Roadways

    X-Man2, Aug 30, 2009
    Replies:
    5
    Views:
    1,796
    Facial
    Oct 10, 2009
  9. Plazma Inferno!

    Solar roads in France

    Plazma Inferno!, Feb 12, 2016
    Replies:
    10
    Views:
    1,470
    billvon
    Feb 24, 2016
  10. Plazma Inferno!

    Solid material acting as liquid

    Plazma Inferno!, Sep 2, 2016
    Replies:
    0
    Views:
    1,076
    Plazma Inferno!
    Sep 2, 2016
  11. Shadow1
    Locked

    Some questions.

    Shadow1, Sep 26, 2010
    Replies:
    7
    Views:
    2,011
    Odin'Izm
    Apr 24, 2011
  12. alexb123

    Sonic booms

    alexb123, Oct 29, 2014
    Replies:
    4
    Views:
    2,975
    Facial
    Nov 11, 2015
  13. draqon
    Locked

    SP-100 nuclear halted? What happened?

    draqon, Mar 29, 2007
    Replies:
    4
    Views:
    2,403
    MetaKron
    Apr 3, 2007
  14. thecollage
    Locked

    Space Elevator Between Planets

    thecollage, Dec 7, 2008 ... 2 3
    Replies:
    52
    Views:
    5,799
    Enmos
    Apr 16, 2009
  15. icarus2
    Locked

    Space elevator vs Moon elevator

    icarus2, May 30, 2010 ... 2 3
    Replies:
    40
    Views:
    8,364
    cluelusshusbund
    Sep 24, 2010
  16. superluminal
    Locked

    Space Exploration Now

    superluminal, May 7, 2010
    Replies:
    6
    Views:
    1,525
    TBodillia
    May 9, 2010
  17. Orinda Fernandez

    Spare Part Requirement

    Orinda Fernandez, Oct 22, 2016
    Replies:
    5
    Views:
    1,853
    Orinda Fernandez
    Nov 15, 2016
  18. Orleander
    Locked

    Spinning Skyscraper

    Orleander, Mar 25, 2009 ... 2 3
    Replies:
    42
    Views:
    7,467
    Dywyddyr
    Nov 25, 2009
  19. Syzygys
    Locked

    Spinning skyscrapers in Dubai

    Syzygys, May 20, 2007
    Replies:
    17
    Views:
    3,738
    redarmy11
    May 22, 2007
  20. Plazma Inferno!

    Splitting sound with acoustic prism

    Plazma Inferno!, Aug 11, 2016
    Replies:
    0
    Views:
    877
    Plazma Inferno!
    Aug 11, 2016
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