Motorcycle communication system, 1950s Helmet with a built-in communication device so that the motorcycle rider can talk with the passenger in the backseat (color_byangelina)1yr ⋅ Angelina_retro ⋅ r/HistoryofIdeas
If you don't upvote or downvote this post, then you will be committing an injustice11mo ⋅ Guavasun962 ⋅ r/HistoryofIdeas
(Fits here?) This graphic shows a 70 year history of graffiti and street art movements, as well as influening philosophies and musical styles [x-post /r/DataArt]6yr ⋅ jmerlinb ⋅ r/HistoryofIdeas
Thus Faked Zarathustra | Steven Pinker isn't very enlightened in misreading Nietzsche5yr ⋅ Qwill2 ⋅ r/HistoryofIdeas
Various Flags Of The World & the Stories Behind Them (xpost from r/infographics)9yr ⋅ Kosmozoan ⋅ r/HistoryofIdeas
[META] More unique visitors yesterday than in all of November -- Any idea what caused it?9yr ⋅ Qwill2 ⋅ r/HistoryofIdeas
My elementary school yearbook featured this fantastic thought about The Berlin Wall & Patience from our principal12yr ⋅ [deleted] ⋅ r/HistoryofIdeas
