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Tension in the air: when they are nervous, cinema-goers release more isoprene, which is a measurable indication of how stressful a film is. (Jonathan Williams, MPI for Chemistry)
Ig Nobel Prize in Chemistry

Innovative Movie Rating: Air Measurement in the Cinema

The Ig Nobel Prizes honour scientific achievements that “should first make people laugh and then make them think”. The spoof prizes, first awarded by the US journal Annals of Improbable Research in 1991, have long since acquired cult status among scientists. This year’s chemistry award recognizes a study that proves the connection between the air in cinemas and different age ratings. The study was carried out in cooperation between the Max Planck Institute for Chemistry and the University of Mainz.

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Close up image of one node of the triangular honeycomb. The structure, which consists of air surrounded by ceramic, can be designed with specific porosity. (James Weaver/Wyss Institute)
Materials Research

3D-Printing — Lightweight Materials Inspired by Nature

Inspired by natural cellular structures, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (Seas), the Wyss Institute for Biologically Inspired Engineering at Harvard University, and MIT have developed a new method to 3D print materials with independently tunable macro-and microscale porosity using a ceramic foam ink.

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