Where when and by whom was unbreakable glass invented?
There is no such thing as 'unbreakable' glass, however, bulletproof glass is actually just normal glass, but, it has a thin plastic sheet, because, glass on its own is strong enough to stop glass, it'll just shatter, The plastic sheet stops it from shattering.
Maxi glass is actually a plastic that is resistant to breakage but not unbreakable. Plastic is generally more prone to scratching but more resistant to breakage. Glass is more prone to breakage but is scratch resistant. Depending on your application if you need a truly unbreakable transparent product I would recommend a polycarbonate such as lexan. (bulletproof glass) Otherwise if you just don't want your drink glass to break then "Maxi Glass" will be ok.
There are only two for the free online version, EASYMONEY and UNBREAKABLE: EASYMONEY gives you a small amount of startup cash, and UNBREAKABLE makes everything, well, unbreakable. Which is really useful when you perform a lot of flares and you accidentally drop a bottle or a glass. (Note from developer: Unbreakable has been known to cause problems with the game - including glasses falling through the bar and rendering the game and save file unplayable…
Glass was first "created" for human use by the Syrians and then later by the Romans. More specifically, according to Pliny the Elder, it was the Phoenicians that first invented glass. Glass blowing was invented by the Syrians in the 1st century BC. Another opinion Glass wasn't invented, it was discovered "by Mesopotamians near 35000BCE..."