Top 5 Lost Ancient Technologies & Inventions

We're diving into 4 inventions of the ancient world that we forgot about, then had to reinvent. Number 3 will shock you! Have we piqued your interest?

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SOURCES:
https://www.theatlantic.com/te....chnology/archive/201
https://io9.gizmodo.com/advanc....ed-imaging-reveals-a
https://ehistory.osu.edu/artic....les/burning-library-
http://www.bede.org.uk/library.htm
https://history.howstuffworks.....com/historical-figur
http://web.mit.edu/2.009/www/e....xperiments/deathray/
https://skullsinthestars.com/2....010/02/07/mythbuster
http://news.bbc.co.uk/2/hi/sci....ence/nature/2804257.
https://www.newscientist.com/a....rticle/mg21328502-40
https://allthatsinteresting.com/greek-fire
https://www.ancient.eu/Greek_Fire/

BONUS!
(Stuff that didn't make it into the video)
Damascus Steel -- https://www.historyonthenet.co....m/the-lost-technolog
Sloot Coding System -- https://www.volkskrant.nl/wete....nschap/tv-reparateur
Roman Concrete -- http://www.romanconcrete.com/d....ocs/spillway/spillwa
Saturn V Moon Rocket -- https://www.huffpost.com/entry..../did-we-lose-the-tec
Antigravity Tech -- https://www.wired.com/2003/08/pwr-antigravity/
Tesla's Earthquake Machine -- https://www.pbs.org/tesla/res/res_art11.html
Tesla's Wireless Electricity -- https://www.damninteresting.co....m/teslas-tower-of-po

Honestly we could probably do a whole other episode on Tesla. HMU in the comments if you wanna see that!