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San Francisco, 2:46 AM
Tue Nov 10
25 posts in the last 24 hours

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  • posts about #metamaterials more →

    Two Physics Breakthroughs That Will One Day Lead to Superarmor

    Invisibility: Just One Facet of the Wide, Wild World of Optical Illusions
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    Image of Klebert L. Hall Klebert L. Hall
    08/21/09

    In reply to Two Physics Breakthroughs That Will One Day Lead to Superarmor
    "Metamaterials are materials engineered to do things nature didn't intend them to do. "

    In my capacity as an annoying pedant, I feel I need to point out that nature has no intentions.
    -Kle.
     Reply
    Klebert L. Hall was starred Klebert L. Hall was unstarred
    Image of brentbent: C.O.C.K.R.O.A.C.H. )for all the queer super villians out there( brentbent: C.O.C.K.R.O.A.C.H. )for all the queer super villians out there(
    08/22/09

    @Klebert L. Hall: Come on, we all know God is an old bearded man and nature is a hippy chick of various ages depending upon her mood.
     Reply
    Klebert L. Hall promoted this comment brentbent: C.O.C.K.R.O.A.C.H. )for all the queer super villians out there( was starred brentbent: C.O.C.K.R.O.A.C.H. )for all the queer super villians out there( was unstarred
    Image of Klebert L. Hall Klebert L. Hall
    08/22/09

    @brentbent: R.O.A.C.H. (my obscurity has turned me to a life of crime):

    It's true because TV says so!
    -Kle.
     Reply
    Klebert L. Hall was starred Klebert L. Hall was unstarred
    Image of Roklimber Roklimber
    08/20/09

    In reply to Two Physics Breakthroughs That Will One Day Lead to Superarmor
    I'd like to make a minor correction to the text of the otherwise well-written io9 article. The paragraph

    "Metamaterials are materials engineered to do things nature didn't intend them to do. The most commonly built kind of metamaterials are "optically active" metamaterials, or materials that make light behave in strange ways."

    might be interpreted to suggest that only metamaterials have strange or interesting optical effects, but that's not true.

    Most organic molecules are optically active, as are some ordinary crystal-like substances. Dichroism, enantiomerism, and the Faraday effect are just some examples of "strange" optical phenomena that appear in relatively common substances.
     Reply
    Roklimber was starred Roklimber was unstarred
    Image of Stephen Goldmeier Stephen Goldmeier
    08/21/09

    @Roklimber: Great point. This is only meant to explain that the most common uses for metamaterials are goofy optics, not that nature didn't intend goofy optics. Thanks for the kind words about the article!
     Reply
    Stephen Goldmeier was starred Stephen Goldmeier was unstarred
    Image of Grey_Area Grey_Area
    08/20/09

    In reply to Two Physics Breakthroughs That Will One Day Lead to Superarmor
    "I never metamaterial I didn't like."- Will NanoRogers
     Reply
    Grey_Area was starred Grey_Area was unstarred
    Image of B B
    11/30/08

    In reply to Invisibility: Just One Facet of the Wide, Wild World of Optical Illusions
    I already invented an invisible cloak. I'll send it to you for 199.99 plus 29.99 shipping and handling. US Addresses only. Paypal or money order.
     Reply
    B was starred B was unstarred
    Image of twDarkflame twDarkflame
    12/01/08

    @B: Pff. I'll send one for that price thats invisible AND its so lightweight it cant be felt!
     Reply
    twDarkflame was starred twDarkflame was unstarred
    Image of B B
    12/01/08

    @twDarkflame: You're in luck. We're having a special on that just in time for Christmas. Supplies are limited, though, so place your order quickly if you want Dec 24th delivery.
     Reply
    B was starred B was unstarred
    Image of ParryLost ParryLost
    11/30/08

    In reply to Invisibility: Just One Facet of the Wide, Wild World of Optical Illusions
    Scientist Invents, Loses Invisible Material: "I'm sure I left it around here somewhere!"
     Reply
    ParryLost was starred ParryLost was unstarred
    Image of Meirelle Meirelle
    11/30/08

    @ParryLost: And then the next day-- "Scientist Trips Over Invisible Material, Falls Into Lab Monkey Cages, Dies".
     Reply
    Meirelle was starred Meirelle was unstarred
    Image of GalileoAce GalileoAce
    11/30/08

    In reply to Invisibility: Just One Facet of the Wide, Wild World of Optical Illusions
    What's a 'sudden angle'?
     Reply
    GalileoAce was starred GalileoAce was unstarred
    Image of Nivair H. Gabriel Nivair H. Gabriel
    11/30/08

    @GalileoAce: Sorry, it's not a technical term! I just meant that it seems sudden when you hit a certain angle with respect to the cat's eye and all of a sudden it's glowing at you.
     Reply
    Nivair H. Gabriel was starred Nivair H. Gabriel was unstarred
    Image of Meirelle Meirelle
    11/30/08

    In reply to Invisibility: Just One Facet of the Wide, Wild World of Optical Illusions
    Duuuuuuude. It's like a god molecule!
     Reply
    Meirelle was starred Meirelle was unstarred
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