https://physlab-wiki.com/ 2026-04-17T00:41:00+00:00 https://physlab-wiki.com/ https://physlab-wiki.com/lib/tpl/UChicago/images/favicon.ico text/html 2021-09-15T12:07:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://physlab-wiki.com/physicsdemos/mechanics/properties_of_matter/bravais_lattice_models?rev=1631722038&do=diff Bravais Lattice Models Mechanical models of all fourteen Bravais lattices are available as a visual aid. H1, near sink set-up details PIRA DCS 1R50.20 text/html 2021-09-15T12:09:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://physlab-wiki.com/physicsdemos/mechanics/properties_of_matter/happy_and_unhappy_balls?rev=1631722195&do=diff Happy and Unhappy Balls Two balls look identical but respond very differently when dropped on the table. F2 set-up details PIRA DCS 1R40.10