I need to discover how to polish marble. There is some marble flooring in my house that has seen better days. The scratches aren’t too deep, but they look bad. I also had to cut a piece of marble and ...

Q: I need to learn how to polish marble. There is some marble flooring in my house that has seen better days. The scratches aren’t too deep, but they look bad. I also had to cut a piece of marble and ...

We may receive a commission on purchases made from links. Stone tiles are a durable and timeless surfacing option for any ...

Chinese craftsmen used diamonds and sapphire to polish tools thousands of years earlier than previously believed, according to new research findings. Robert Siegel talks with Peter Lu, a physics ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...