Friendly forums for passionate Dems!
More than 91 million posts since 2001
Home Latest Greatest Videos Forums Hide ads Join up!
Home Latest Greatest
Videos Forums Help
Hide ads Join up!
Latest Discussions»Issue Forums»Education»Second graders tackle anc...
Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

Education

Related: About this forum

elleng

(130,669 posts) Fri Oct 3, 2014, 09:13 PM Oct 2014

Second graders tackle ancient technology. Welcome to Pulleys 101!

Did You Know? Archimedes of Syracuse invented the first compound pulleys 287 BC - 212 BC. Plutarch reported that Archimedes moved an entire warship, laden with men, using compound pulleys and his own strength.

https://www.facebook.com/lowellschooldc

InfoView thread info, including edit history TrashPut this thread in your Trash Can (My DU » Trash Can) BookmarkAdd this thread to your Bookmarks (My DU » Bookmarks) 2 replies, 1788 views
ShareGet links to this post and/or share on social media AlertAlert this post for a rule violation PowersThere are no powers you can use on this post EditCannot edit other people's posts ReplyReply to this post EditCannot edit other people's posts Rec (2) ReplyReply to this post
2 replies = new reply since forum marked as read
Highlight: NoneDon't highlight anything 5 newestHighlight 5 most recent replies
Second graders tackle ancient technology. Welcome to Pulleys 101! (Original Post) elleng Oct 2014 OP
Love it! NYC_SKP Oct 2014 #1
Nice that you shared it, SKP. elleng Oct 2014 #2
Reply to this discussion
Latest Discussions»Issue Forums»Education»Second graders tackle anc...
Home | Latest Discussions | Greatest Discussions | Latest Videos | All Forums

About | Copyright | Privacy | Terms of service | Contact

In Memoriam

© 2001 - 2024 Democratic Underground, LLC. Thank you for visiting.