Exceptional Engineering - Mega Diesel Engines - YouTube
https://www.youtube.com/watch?v=w4uMX5mWAF4Reddit - Dive into anything
https://www.reddit.com/r/EngineeringPorn/comments/10irgl6/a_ship_engine/Why Millions Buy Harley-Davidson Motorcycles - YouTube
https://www.youtube.com/watch?v=XeuXShFIgycWorld-first "impossible" rotating detonation engine fires up
https://newatlas.com/space/rotating-detonation-engine-ucf-hydrogen-oxygen/r/EngineeringPorn - 8-speed plug-in hybrid transmission cutout at the Detroit Auto Show
https://www.reddit.com/r/EngineeringPorn/comments/ai21q3/8speed_plugin_hybrid_transmission_cutout_at_the/r/MachinePorn - This speaks for itself.
https://www.reddit.com/r/MachinePorn/comments/adnzds/this_speaks_for_itself/r/WarshipPorn - [OC]The Steam Steering Engine in the Back of the Starboard Engine Room on the Battleship Texas[3024 x 4032]
https://www.reddit.com/r/WarshipPorn/comments/abl9u4/octhe_steam_steering_engine_in_the_back_of_the/r/todayilearned - TIL that a Greek man named Heron Alexandrinus, who was born in 10AD, invented the first steam engine, called an Aeolipile. His design was forgotten and never used until 1577.
https://www.reddit.com/r/todayilearned/comments/agmuz1/til_that_a_greek_man_named_heron_alexandrinus_who/