Crystal microcircuit splits optical signal in two and can switch output color

Flexible Optical Waveguide Crystals

Stretchable Perovskite Solar Cells
Self-healing additive for stretchable solar cells with recoverable performance

Robotic Chemist Developed
Mobile robot operates autonomously in a conventional laboratory

60th Birthday: Ferdi Schüth
Catalysis researcher at the Max Planck Institute for Coal Research, Mülheim an der Ruhr, Germany

Guess the Chemist (103)
Can you guess the famous scientist from the description?

How Well Do Face Masks Stop Droplets?
Simple visualization experiments show effects of mask fit, materials, and layers

LGBTQ+ in STEM: Visibility and Beyond
How scientists work hand-in-hand with their institutes to promote diversity and inclusivity

2D Vinylene-Bridged Covalent Organic Frameworks
Knoevenagel condensation of tricyanomesitylene witth aromatic aldehydes gives highly crystalline COFs

Polycrystalline Perovskite Pellets for Stable X‐Ray Detectors
Methylammonium bismuth iodide used in nontoxic, highly sensitive, and stable detectors

A Better Understanding of Plastics Is Necessary
Plastics fulfill important tasks in society and must continue to do so in the future—but in a sustainable way