Learn the concept and the names of some 3 dimensional shapes with these free printable shapes flash cards. The shapes include the cube, cone, sphere, cylinder, pyramid, dome, disc and ring. Find examples of these shapes around the house and classrooms and use these cards to introduce the names. Children will also learn the idea of 2D representations of 3 dimensional forms.
Whimsical and fun this book shows how to make three dimensional flowers that are created from a flat piece of lace. There are fourteen different flowers. The patterns are suited to being enlarged or reduced to suit any kind of thread or colors you like. Fifteen different three dimensional flower forms with the emphasis on imagination rather than reality, and with the challenge of creating the form from a single flat piece of lace. Some of the shapes are simple, others more complex. Some knowledge of braid lace techniques is desirable, but not essential.
Floer Homology, Gauge Theory, and Low Dimensional Topology
Mathematical gauge theory studies connections on principal bundles, or, more precisely, the solution spaces of certain partial differential equations for such connections. Historically, these equations have come from mathematical physics, and play an important role in the description of the electro-weak and strong nuclear forces.
Added by: honhungoc | Karma: 8663.28 | Black Hole | 7 October 2010
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Curious and Interesting Geometry
A companion volume to the author's "Dictionary of Curious and Interesting Numbers", which focuses on arithmetic and number theory. The entries in this book cover curves, topology, tilings and all branches of plane and three-dimensional geometry, from Euclid to fractals.
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