Reposted by Poor Busy Dad
Poor Busy Dad
@busypoordad.bsky.social
343 followers 76 following 3.7K posts
Poor Busy Dad. Paramedic. Former Army Reserves. Former FireFighter. Hydroponic installer. Solar advocate, religious, stoic learner, survivalist/prepper, educator. Like to read books and comics, play TTRPG’s, and target shoot.
![Comic. [Chart with track length on x axis: 10cm, 1m, 10m, 100m, 1km, 10km, 100km; collision energy on y axis: 1eV, 1keV, 1MeV, 1GeV, 1TeV, 1PeV, 10^18eV, 10^21eV, 10^24eV, 10^27eV. Scatterplot increases in a mostly linear shape with points for first cyclotrons, ADA, cosmotron, bevatron, BEPC-II, J-PARC, CEBAF, RHIC, tevatron, large Hadron Collider. An outlier near the top of the chart is Daytona Speedway.]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreigb7y4wjazav26yc36vymk7d5ixfbk3amnkpbdf6w6ntskaweftjy)
![Comic. [Two people flailing high in the air. Three people on the ground running ahead of them. Arrows and a dotted line indicate that this second group is within roughly one body length of the surface.] [caption] The “ground effect” explains why sprinters can run most efficiently if they stay within roughly one body length of the surface.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreihcig3lsvbr35da6d4ylsw4wwdj2pzkrcplyvuot5tkx6siqxxfim)
