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<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en"><title>xkcd.com</title><link href="https://xkcd.com/" rel="alternate"></link><id>https://xkcd.com/</id><updated>2026-10-28T00:00:00Z</updated><entry><title>Gravitational Square Wave</title><link href="https://xkcd.com/3317/" rel="alternate"></link><updated>2026-10-28T00:00:00Z</updated><id>https://xkcd.com/3317/</id><summary type="html">&lt;img src="https://imgs.xkcd.com/comics/gravitational_square_wave.png" title="Depending on the energy deposition I can manage, it might also be a fun prank on the rest of the Earth." alt="Depending on the energy deposition I can manage, it might also be a fun prank on the rest of the Earth." /&gt;</summary></entry><entry><title>Siege Engine</title><link href="https://xkcd.com/3316/" rel="alternate"></link><updated>2026-10-26T00:00:00Z</updated><id>https://xkcd.com/3316/</id><summary type="html">&lt;img src="https://imgs.xkcd.com/comics/siege_engine.png" title="They initially thought the containment structure alone would be sufficient, but for good measure they decided to include the Elephant's Foot inside." alt="They initially thought the containment structure alone would be sufficient, but for good measure they decided to include the Elephant's Foot inside." /&gt;</summary></entry><entry><title>Forms of Water</title><link href="https://xkcd.com/3315/" rel="alternate"></link><updated>2026-10-23T00:00:00Z</updated><id>https://xkcd.com/3315/</id><summary type="html">&lt;img src="https://imgs.xkcd.com/comics/forms_of_water.png" title="The 'light' refers to bremsstrahlung." alt="The 'light' refers to bremsstrahlung." /&gt;</summary></entry><entry><title>Vulnerability</title><link href="https://xkcd.com/3314/" rel="alternate"></link><updated>2026-10-21T00:00:00Z</updated><id>https://xkcd.com/3314/</id><summary type="html">&lt;img src="https://imgs.xkcd.com/comics/vulnerability.png" title="Other numbers are largely unaffected, but anyone using '4' for their certificate key is urged to upgrade to '5'." alt="Other numbers are largely unaffected, but anyone using '4' for their certificate key is urged to upgrade to '5'." /&gt;</summary></entry></feed>