Source: 6 Inventions That Are Older Than You Think
Sources:
Steam engine:
https://www.researchgate.net/publication/226680721_Heron_of_Alexandria_c_10-85_AD
https://www.britannica.com/technology/aeolipile
https://www.youtube.com/watch?v=PrQYuvE6mws
https://www.egr.msu.edu/~lira/supp/steam/
https://www.britannica.com/technology/Watt-steam-engine
Voice lock:
https://trove.nla.gov.au/newspaper/article/133968822
https://www.academia.edu/83916536/_Open_Sesame_The_Long_ago_Voice_Lock_of_Charpiot_and_Keen
https://repository.stcloudstate.edu/stcloud_ling/vol12/iss1/6/
https://courses.csail.mit.edu/6.857/2016/files/31.pdf
http://alumni.cs.ucr.edu/~amitra/bio_rep.pdf
Yakhchal:
https://issuu.com/fidel_funk/docs/ice_houses_of_iran_final1
https://www.maxfordham.com/research-innovation/the-physics-of-freezing-at-the-iranian-yakhchal/
https://www.maxfordham.com/assets/media/downloads/1462%20PLEA%202017%20Rev%206.pdf
https://publichealth.hsc.wvu.edu/media/6111/ice-cream.pdf
Animated art:
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0266146
https://journals.openedition.org/palethnologie/2094
https://www.nfi.edu/stop-motion-animation/
Car:
https://cdnc.ucr.edu/?a=d&d=SDU19161231.2.140&e=-------en--20--1--txt-txIN--------
https://www.themotormuseuminminiature.co.uk/inv-nicolas-cugnot.php
https://www.britannica.com/biography/Nicolas-Joseph-Cugnot
https://www.lindahall.org/about/news/scientist-of-the-day/nicolas-joseph-cugnot/
Contacts:
https://www.princeton.edu/~ota/disk3/1984/8409/840904.PDF
https://royalsocietypublishing.org/doi/pdf/10.1098/rstl.1801.0004
https://ota.fas.org/reports/8409.pdf
Image Sources:
https://www.gettyimages.com/detail/photo/senior-man-using-a-phone-royalty-free-image/1165931658?phrase=voice+identification&adppopup=true
https://trove.nla.gov.au/newspaper/article/133968822
https://www.gettyimages.com/detail/photo/open-old-doors-royalty-free-image/183774917?phrase=open+door+magic&adppopup=true
https://www.gettyimages.com/detail/photo/early-phonograph-wax-record-royalty-free-image/90952317?phrase=phonograph+cylinder&adppopup=true
https://commons.wikimedia.org/wiki/File:Excelsior,_gramofon_sa_cilindrom.jpg
https://www.gettyimages.com/detail/video/close-up-of-a-woman-talking-with-a-voice-assistant-on-a-stock-footage/2114269178?adppopup=true
https://www.gettyimages.com/detail/video/womens-finger-with-contact-lens-on-a-blurred-background-stock-footage/1369342539?adppopup=true
https://commons.wikimedia.org/w/index.php?title=File:(UAZ)_AB.1.0253_Fick.tif&page=1
https://commons.wikimedia.org/wiki/File:Thomas_Young_by_Briggs.jpg
https://commons.wikimedia.org/wiki/File:Frans_Hals_-_Portret_van_Ren%C3%A9_Descartes.jpg
https://www.gettyimages.com/detail/video/contact-lens-stock-footage/504262199?adppopup=true
https://www.gettyimages.com/detail/video/campfire-at-dusk-against-the-backdrop-of-mountains-and-stock-footage/1413851357?adppopup=true
https://www.gettyimages.com/detail/video/flipbook-emoticons-animation-stock-footage/1307447777?adppopup=true
https://en.wikipedia.org/wiki/File:Lascaux-IV_01.jpg
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0266146
https://commons.wikimedia.org/wiki/File:Prof._Stampfer%27s_Stroboscopische_Scheibe_No._X.gif
https://commons.wikimedia.org/wiki/File:Abarkooh_ice_reservior_by_Hadi_Karimi.jpg
https://commons.wikimedia.org/wiki/File:Inside_a_Kariz_(%DA%A9%D8%A7%D8%B1%DB%8C%D8%B2)_or_small_Qanat_(6223137925).jpg
https://www.gettyimages.com/detail/photo/black-refrigerator-and-a-silver-refrigerator-royalty-free-image/157421709?phrase=fridge&adppopup=true
https://en.wikipedia.org/wiki/File:%DB%8C%D8%AE_%D8%B3%D8%A7%D8%B2%DB%8C.jpg
https://en.wikipedia.org/wiki/Yakhch%C4%81l#/media/File:Yakhchal_radiative_cooling.svg
https://commons.wikimedia.org/wiki/File:Ice_House_Iran.jpg
https://www.gettyimages.com/detail/video/ice-machine-drops-ice-cubes-slow-motion-stock-footage/1325334123?adppopup=true
https://commons.wikimedia.org/wiki/File:Joseph_Cugnot%27s_1770_Fardier_%C3%A0_Vapeur,_Mus%C3%A9e_des_arts_et_m%C3%A9tiers,_Paris_2015.jpg
https://commons.wikimedia.org/wiki/File:Engine_of_the_Cugnot_machine.jpg
https://commons.wikimedia.org/wiki/File:Cugnot_vehicle_2.JPG
https://www.gettyimages.com/detail/video/white-horse-among-brown-horses-at-sunset-a-horse-looking-stock-footage/1647085767?adppopup=true
https://en.m.wikipedia.org/wiki/File:Fardier_a_vapeur.gif
https://commons.wikimedia.org/wiki/File:Autobus_amedee-bollee.jpg
https://commons.wikimedia.org/wiki/Category:Watt_engines#/media/File:WattsSteamEngine.jpeg
https://commons.wikimedia.org/wiki/File:PSM_V12_D150_Watt_pumping_engine_1769.jpg
https://www.gettyimages.com/detail/video/aerial-of-old-steam-train-with-billowing-smoke-stack-stock-footage/1097847596?adppopup=true
https://commons.wikimedia.org/wiki/File:Aeolipile-Animation-Perspective.webm
https://www.gettyimages.com/detail/illustration/aeolipile-by-hero-of-alexandria-wood-royalty-free-illustration/471860380?phrase=Aeolipile&adppopup=true
https://www.gettyimages.com/detail/photo/heros-engine-is-a-simple-bladeless-radial-steam-royalty-free-image/1411309394?phrase=Aeolipile&adppopup=true
https://commons.wikimedia.org/wiki/File:Aeolipile_illustration.png
https://commons.wikimedia.org/wiki/File:Hero_of_Alexandria,_Pneumatica,_Venice,_Gr._516.jpg
https://en.wikipedia.org/wiki/File:Hero_of_Alexandria.png
https://www.gettyimages.com/detail/video/dirty-smoky-locomotive-train-passing-small-mountain-town-stock-footage/527060696?adppopup=true
https://www.gettyimages.com/detail/photo/antique-candlestick-style-telephone-from-the-early-royalty-free-image/1801120251?phrase=1900s+phone+mouthpiece&adppopup=true
https://www.youtube.com/watch?v=X7IQvpjfamc
_or_small_Qanat_(6223137925).jpg&sa=D&source=editors&ust=1786129979967334&usg=AOvVaw3-ehQLLLSE7HskQA4GdJPl){kind=link}
