10. Greek Fire
https://www.ancient.eu/Greek_Fire/
https://www.britannica.com/technology/Greek-fire
9. Starlite
https://www.theguardian.com/notesandqueries/query/0,5753,-5575,00.html
https://www.historicmysteries.com/starlite-mysterious-thermal-barrier/
https://www.jagranjosh.com/current-affairs/worlds-most-heat-resistant-materials-identified-by-scientists-1482820614-1

8. Damascus Steel 
https://www.nytimes.com/1981/09/29/science/the-mystery-of-damascus-steel-appears-solved.html
https://en.wikipedia.org/wiki/Damascus_steel

7. The Lycurgus Cup
https://www.sciencedirect.com/topics/engineering/lycurgus-cup
https://en.wikipedia.org/wiki/Lycurgus_Cup
6. Stradavari’s Instruments
 http://discovermagazine.com/2000/jul/featviolin
https://www.theguardian.com/science/2018/may/21/scientists-find-secret-behind-sweet-sound-of-stradivarius-violins
5. Silphium 
https://www.zmescience.com/research/inventions/amazing-inventions-lost-14022017/
http://www.bbc.com/future/story/20170907-the-mystery-of-the-lost-roman-herb
4. Flexible Glass
https://www.ancient-origins.net/artifacts-ancient-technology/unbreakable-story-lost-roman-invention-flexible-glass-009453
3. Death Ray 
https://allthatsinteresting.com/tesla-death-ray
https://en.wikipedia.org/wiki/Death_ray

2. Cloud Buster
https://www.theguardian.com/news/2011/jul/06/weatherwatch-cloudbuster
http://www.slate.com/blogs/atlas_obscura/2013/08/19/see_wilhelm_reich_s_orgasm_powered_cloudbuster_at_his_orgonon_estate_in.html
1. Chronovisor
http://risvegliodiunadea.altervista.org/?p=7778
https://www.disclose.tv/does-the-vatican-own-a-time-machine-to-look-into-future-and-past-events-314593
https://en.wikipedia.org/wiki/Chronovisor