Curated category
Glass applications
- Vacuum tubeIn 1904, John Ambrose Fleming patented a device called the oscillation valve. This invention marked the birth of modern electronics by controlling electric…
- Insulated glazingIn 1877, Henry Seebohm observed a practical necessity in the Yeniseysk area of Siberia. Winter temperatures there regularly fell below negative fifty degrees…
- MirrorArchaeologists have uncovered polished obsidian mirrors at Çatalhöyük in Anatolia, dating to around 6000 BCE. These early artifacts represent the first…