0 a solid substance with a structure that contains patterns and repetition but is not fully symmetrical (= exactly matching) like a crystal --
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In other words, we view a fully periodic set, or 'crystal', as a special kind of 'quasicrystal'.
One of the commonly used definitions of a quasicrystal is that of an atomic structure which has a discrete component in its diffraction spectrum.
In particular, they can be viewed as a mathematical abstraction of the set of atomic positions of a physical quasicrystal (at zero temperature, or at a given instant of time).
Does there exist a nice characterization of the 'simplest' aperiodic sets, which might be used to define a notion of 'perfectly ordered quasicrystal'?
This natural quasicrystal exhibits high crystalline quality, equalling the best artificial examples.
Its underlying symmetry is also fivefold but it is not a quasicrystal.
Glotzer and collaborators also hold the record for the densest tetrahedron packing and discovered that hard tetrahedrons can self-assemble into a dodecagonal quasicrystal.
It forms an aperiodic pattern known as a quasicrystal.
Managing Your Emotions
What makes me angry?
Wat maakt me boos?
Mostly，l hate when someone tries to make someone else feel bad.
Ik heb er meestal een hekel aan als iemand probeert iemand anders een slecht gevoel te geven.
I have to admit that once, when l was actually called names.
Ik moet toegeven dat ik een keer ben uitgescholden.
l regretted doing this afterwards, but not full heartedly because l think l was provoked in that situation.
Ik had er achteraf spijt van, maar niet met volle overtuiging, want ik denk dat ik in die situatie werd geprovoceerd. die situatie.
The most postive way of dealing with anger is talking about the problem.
De meest positieve manier om met boosheid om te gaan is door over het probleem te praten.
l talk to someone who listens, or l'll write my thoughts down on paper.
Ik praat met iemand die luistert, of ik schrijf mijn gedachten op papier.
Learning how to deal with anger as you're growing up is so important.
Leren omgaan met boosheid tijdens het opgroeien is zo belangrijk.
When you're younger, you might yell,or cry when you're angry, but as you get older, you're expected to handle your emotions much better.
Als je jonger bent, schreeuw of huil je misschien als je boos bent, maar als je ouder wordt, wordt er verwacht dat je veel beter met je emoties omgaat.
Learning to control your emotion now will prevent you from doing something that you'll regret later on in life!
Als je nu leert om je emoties onder controle te houden, voorkom je dat je iets doet waar je later spijt van krijgt! later in je leven spijt van krijgt!
