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Current issue

ELEKTRO 4/2019 was released on April 17th 2019. Its digital version will be available on May 13th 2019.

Topic: Topic: Electroinstallation; Smart buildings; IoT; HVAC; Security technology

Main Article
Smart Cities (part 9)

SVĚTLO (Light) 2/2019 was released on March 15th 2019. Its digital version will be available immediately.

Architectural and scenic lighting
The architectural lighting of Bečov nad Teplou castle
Lighting design in a nutshell – Part 41
The analyse of light picture a little more theoretic

Day light
Biggest mistakes in day lighting design of buildings

New class of materials inspired by kirigami

27.02.2017 | Harvard SEAS | seas.harvard.edu

Origami-inspired materials use folds in materials to embed powerful functionality. However, all that folding can be pretty labor intensive. Now, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) are drawing material inspiration from another ancient Japanese paper craft — kirigami.

Kirigami relies on cuts, rather than folds, to change the structure and function of materials. In a new paper published in Physical Review Letters, SEAS researchers demonstrate how a thin, perforated sheet can be transformed into a foldable 3D structure by simply stretching the cut material.

New kirigami inspired material

The team found that if the material is stretched more, the temporary deformations become permanent folds. The team also found that the pop-up pattern and resulting mechanical properties of the material can be controlled by varying the orientation of the cuts.

Read more at Harvard SEAS

Image Credit: Ahmad Rafsanjani/Harvard SEAS

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