Subject:
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Re: Chirality
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Newsgroups:
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lugnet.edu
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Date:
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Fri, 9 Sep 2005 08:24:18 GMT
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Viewed:
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6013 times
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In lugnet.build.schleim, Anita Eenink wrote:
> In lugnet.build.schleim, Didier Enjary wrote:
> > LEGO and chirality
> >
> > Chirality is the property of an object that can not be superimposed on its
> > mirror image. Examples includes both natural (biological) object such hands and
> > cultural (technical) object such screws.
> >
> > A non-chiral (achiral) object can be superimposed on its mirror image, that
> > means it has one or more plane of symmetry.
> >
> > One chiral object and its counterpart are called enantiomers.
> >
> > Chirality is common studied property in science (chemistry, mathematics) but
> > also in arts (M.C. Escher)
> >
> >
> > 1) Most of the LEGO parts are symmetric.
> >
> > Plates, Bricks, Slopes, Beams, Axles, Gears, are all achiral parts
> >
> >
> > 2) Some are chiral and both enantiomers are produced by TLC (they are called
> > left and right enantiomer) :
> >
> > Doors, wings, wedges, minifig arms
> >
> >
> > 3) A few are chiral and only one enantiomer is produced by TLC
> >
> > Technic worm screw, some minifig accessories (camera), patterned parts
> >
> >
> > When both enantiomeric part are produced, they are generally intended to be used
> > at the same time to create a symmetric structure : Cars with both right and left
> > doors, planes with both right and left wings. But it exists some creative ways
> > to use only right or left enantiomeric part for example by creating a chiral
> > superstructure as spiral staircase.
> >
> >
> > Any thoughts ?
>
> I will never look at my bricks the same.... what a great idea for a lesson plan,
> I have written it down to tell my sister (a secondary science teacher), I am a
> training early childhood so chirality isn't on the curriculum :(. Is there
> nothing lego can not teach us. Thanks
>
> Anita
Hi Anita,
Thank you for your answer, it has made my day brighter as I like the ideas you
talk about.
- Being open minded as you are ("I will never look at my bricks the same")
- Sharing ideas
- LEGO as a smart toy and teaching tool
Didier
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Message is in Reply To:
![](/news/x.gif) | | Re: Chirality
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| (...) I will never look at my bricks the same.... what a great idea for a lesson plan, I have written it down to tell my sister (a secondary science teacher), I am a training early childhood so chirality isn't on the curriculum :(. Is there nothing (...) (19 years ago, 8-Sep-05, to lugnet.build.schleim, lugnet.parts)
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19 Messages in This Thread: ![Chirality -Didier Enjary (8-Sep-05 to lugnet.build.schleim, lugnet.parts)](/news/x.gif) ![](/news/246.gif) ![Re: Chirality -Larry Pieniazek (8-Sep-05 to lugnet.build.schleim, lugnet.parts)](/news/x.gif) ![](/news/46.gif) ![Re: Chirality -Christopher Masi (9-Sep-05 to lugnet.build.schleim, lugnet.parts)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: Chirality -Bryan Wong (8-Sep-05 to lugnet.build.schleim, lugnet.parts)](/news/x.gif) ![](/news/246.gif) ![Re: Chirality -Mark Bellis (8-Sep-05 to lugnet.build.schleim, lugnet.parts)](/news/x.gif) ![](/news/246.gif) ![Re: Chirality -Didier Enjary (9-Sep-05 to lugnet.build.schleim, lugnet.edu)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: Chirality -Bruce Hietbrink (9-Sep-05 to lugnet.build.schleim, lugnet.parts)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Chirality -Christopher Masi (9-Sep-05 to lugnet.build.schleim, lugnet.parts)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Chirality -Bruce Hietbrink (9-Sep-05 to lugnet.off-topic.geek)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: Chirality -Anita Eenink (8-Sep-05 to lugnet.build.schleim, lugnet.parts)](/news/x.gif) ![](/news/246.gif) ![You are here](/news/here.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Chirality -Christopher Masi (9-Sep-05 to lugnet.build.schleim, lugnet.parts, lugnet.edu)](/news/x.gif) ![](/news/46.gif) ![Re: Chirality -Anita Eenink (9-Sep-05 to lugnet.build.schleim, lugnet.parts, lugnet.edu)](/news/x.gif) ![](/news/46.gif) ![Re: Chirality -Christopher Masi (10-Sep-05 to lugnet.build.schleim, lugnet.parts, lugnet.edu)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: Chirality -Bruce Hietbrink (9-Sep-05 to lugnet.build.schleim, lugnet.parts)](/news/x.gif) ![](/news/46.gif) ![Builder's Block Crystal Lattice (Was Re: Chirality) -Ley Ward (26-Sep-05 to lugnet.build.schleim, lugnet.parts, lugnet.announce.moc)](/news/x.gif) ![](/news/246.gif) ![Re: Builder's Block Crystal Lattice (Was Re: Chirality) -Nathan Todd (26-Sep-05 to lugnet.build.schleim)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Builder's Block Crystal Lattice (Was Re: Chirality) -James Wilson (26-Sep-05 to lugnet.build.schleim)](/news/x.gif) ![](/news/46.gif) ![Re: Builder's Block Crystal Lattice (Was Re: Chirality) -Ley Ward (27-Sep-05 to lugnet.build.schleim)](/news/x.gif)
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