When we think about cutting-edge technology, we usually picture Silicon Valley startups or futuristic labs. But here's the ...
Glass is made from a mixture of sand, potash, soda, and lime or red lead. It has been called a liquid solid, because it solidifies without crystallizing. Vases and perfume bottles are some of the ...
Ancient Egypt. Pyramids. A video for KS2 pupils exploring pyramids in Ancient Egypt - their construction, purpose and the ways they evolved. BBC Teach.
Think ancient civilizations were primitive? The evidence suggests otherwise. From computers that tracked celestial events to concrete that grows stronger with age, our ancestors created technologies ...