The Space Group List Project as a Poster

Would also make a good bed sheet or pillow case…

The Fascination of Crystals and Symmetry

The Space group list project ‘230’ – a collection of examples containing at least one crystal structure for all of the 230 space groups – is now available as a synoptical poster (size DIN A0, 84.1 x 118.9 mm):


Feel free to download and share the PDF!

If you print the poster on canvas you may use it also as a special shower curtain 😉

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Marvelous Machines Multiaxial Machining Mayhem

Impressive Trochoidal milling of titanium blisk using cryogenic tool cooling, this can be used to make a bladed-disk which is free of welded joints.

Demonstrations of 5-axis machining from Daishin Seiki Corporation.

New steel with 17% lower density than iron

A new steel has been developed with a density of just 6.5 grams per cubic centimeter.