{"type":"rich","version":"1.0","title":"Compares numerical integration (of a spring under gravity) using the explicit Euler and classical Runge-Kutta methods.","provider_name":"Plunker","provider_url":"https://plnkr.co","html":"<iframe id=\"plnkr_embed_X4TsC0GEHCavCF79cnhu\" class=\"plnkr_embed_iframe\" style=\"width: 100%; overflow: hidden;\" src=\"https://embed.plnkr.co/plunk/X4TsC0GEHCavCF79cnhu?autoCloseSidebar&deferRun&show=preview\" width=\"600\" height=\"400\" frameborder=\"0\" scrolling=\"no\"></iframe>","width":600,"height":400,"thumbnail_url":"https://shot.plnkr.co/X4TsC0GEHCavCF79cnhu.png?d=2015-04-26T12%3A43%3A17.767Z","thumbnail_width":400,"thumbnail_height":300}