1248
No he did not. He was doing alchemy and accidently made gunpowder.I'm pretty sure the Chinese invented gunpowder.
he invented gunpowder
No, Roger Bacon did not invent bacon. Roger Bacon was born in Ilchester in Somerset, possibly in 1213 or 1214 at the Ilchester Friary. He is credited as being the first modern, experimental scientist.
around 1250
Roger Bacon did not invent the magnifying glass. The first recorded use of a magnifying glass was by the ancient Romans around 60 AD. Roger Bacon, a medieval philosopher and scientist, did write about the principles of magnification and lenses in the 13th century.
Roger Bacon is often considered the first European to describe a mixture containing the essential ingredients of gunpowder.
He is credited as being the first modern, experimental scientist and his Opus Majus contains treatments of mathematics and optics, alchemy and the manufacture of gunpowder, the positions and sizes of the celestial bodies, and anticipates later inventions such as microscopes, telescopes, spectacles, flying machines, hydraulics and steam ships.
The use of gunpowder started in Europe during the late 13th century. It was Roger Bacon, who introduced gunpowder and in 1353 the first gunpowder cannon was invented by Berthold Schwarz.
Roger Bacon did like bacon.
Roger Bacon did not invent the magnifying glass. Although he wrote about the principles behind magnification through lenses in the 13th century, the magnifying glass as we know it today was more likely developed in the early 1200s by Arabian scholars.
Is Roger bacon silky?