https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&feedformat=atom&user=172.69.6.156explain xkcd - User contributions [en]2026-04-16T06:23:00ZUser contributionsMediaWiki 1.30.0https://www.explainxkcd.com/wiki/index.php?title=Talk:2889:_Greenhouse_Effect&diff=334106Talk:2889: Greenhouse Effect2024-02-02T23:06:58Z<p>172.69.6.156: </p>
<hr />
<div><!--Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom.--><br />
<br />
First description! FIRST 🤑 [[User:42.book.addict|42.book.addict]] ([[User talk:42.book.addict|talk]]) 18:45, 2 February 2024 (UTC)<br />
<br />
Is there a category or a name for the set of comics which make the observation of "x thing happened closer to Y thing than today"? --[[User:Raviolio|Raviolio]] ([[User talk:Raviolio|talk]]) 18:57, 2 February 2024 (UTC)<br />
:Maybe Category:Timelines could work? [[User:42.book.addict|42.book.addict]] ([[User talk:42.book.addict|talk]]) 19:00, 2 February 2024 (UTC)<br />
:It is also similar in structure to many of the comics in [https://www.explainxkcd.com/wiki/index.php/Category:Comics_to_make_one_feel_old| Category:Comics to make one feel old] but has a quite different theme [[Special:Contributions/172.69.6.156|172.69.6.156]] 23:06, 2 February 2024 (UTC)<br />
<br />
Do we have a source for the "their answers closely match modern estimates"? that would be a good thing to add [[User:Happier7713|Happier7713]] ([[User talk:Happier7713|talk]]) 19:35, 2 February 2024 (UTC)<br />
<br />
A nit -- the Newcomen atmospheric engine was invented in 1712 and is usually thought of as the first steam engine (at least of the modern, western, world).</div>172.69.6.156