xkcd.comhttps://xkcd.com/xkcd.com: A webcomic of romance and math humor.enAccelerator Energieshttps://xkcd.com/3306/<img src="https://imgs.xkcd.com/comics/accelerator_energies.png" title="Fans at Daytona always get extra excited when officials decide to introduce some antimatter cars circling the track in the opposite direction." alt="Fans at Daytona always get extra excited when officials decide to introduce some antimatter cars circling the track in the opposite direction." />2026年10月02日 04:00:00 -0000https://xkcd.com/3306/Ground Effecthttps://xkcd.com/3305/<img src="https://imgs.xkcd.com/comics/ground_effect.png" title="Runners looking for aerodynamic advantage typically wear sneakers because some fancy dress shoes can create wingtip vortices." alt="Runners looking for aerodynamic advantage typically wear sneakers because some fancy dress shoes can create wingtip vortices." />2026年9月30日 04:00:00 -0000https://xkcd.com/3305/Jupiter Icy Moons Explorerhttps://xkcd.com/3304/<img src="https://imgs.xkcd.com/comics/jupiter_icy_moons_explorer.png" title=""I did briefly visit Venus in August 2025, but I figured out the mistake on my own because it didn't have any moons."" alt=""I did briefly visit Venus in August 2025, but I figured out the mistake on my own because it didn't have any moons."" />2026年9月28日 04:00:00 -0000https://xkcd.com/3304/Slab Graveyardhttps://xkcd.com/3303/<img src="https://imgs.xkcd.com/comics/slab_graveyard.png" title="It's ok if you want to close close your eyes for the slab graveyard, so you can still have fun riding the mantle plume back up afterward!" alt="It's ok if you want to close close your eyes for the slab graveyard, so you can still have fun riding the mantle plume back up afterward!" />2026年9月25日 04:00:00 -0000https://xkcd.com/3303/