An educational browser game about electron-beam knock-on damage in scanning transmission electron microscopy (STEM). Pick a 2D crystal (graphene, hBN or MoS₂), set up the microscope and find out when the beam knocks an atom out of the lattice.
Available in English, Spanish and Portuguese.
Play: https://knockonlab.netlify.app
Runs in any modern browser, on desktop or mobile, with no installation or sign-up.
Open index.html in a browser, or serve the folder with
python -m http.server 8000
and go to http://localhost:8000.
Luis E. Piedra (ORCID 0000-0001-8598-8529)
International Iberian Nanotechnology Laboratory (INL), Braga, Portugal
Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
Piedra Marin, L. E. (2026). Knock-on Lab: an educational browser game on electron-beam knock-on damage in 2D materials [Computer software]. Zenodo. https://doi.org/10.5281/zenodo.23105637
This DOI always points to the latest version. To cite v1.0.0 specifically, use https://doi.org/10.5281/zenodo.23105638. GitHub's Cite this repository button also gives APA and BibTeX.
MIT, see LICENSE.