#456 When did people start using glass for windows?
When did people start using glass for windows? The Romans were the first people to have glass in their windows, but it wasn’t a common practice to have glass windows…
When did people start using glass for windows? The Romans were the first people to have glass in their windows, but it wasn’t a common practice to have glass windows…
Why is glass transparent? Glass is transparent because light photons don’t have enough energy to excite the molecules in the glass. There are two things we need to look at…
I learned this today. Bulletproof glass is made of two different types of laminated glass, one hard and one soft. Glass was invented in about 2500 BC, although only used…
I learned this today. Glass and metal can be recycled indefinitely, but plastic can only be recycled once or twice and paper about 7 times. Recycling has been around for…