We visited the 3Z factory in Arizona and got a behind-the-scenes look at the secret foam-pouring process for beds. Here's what we found.

The technical term for the original kind of memory foam is polyurethane foam, referring to the chemical composition that this material’s comprised of. If we refer back to its historical origins ...

Memory foam, also known as viscoelastic polyurethane foam, is a slow-responding material that reacts to heat and pressure, allowing it to conform to the shape of your body. (Thus, it's often used ...

Sound-absorbing principle:there are amounts of micro connected pores in the materials,and through the pores waves go deep into the materials and convert sound energy into heat energy.

Your battery is getting low, so you decide to charge your iPhone. However, you get an alert that says that charging is unavailable because your iPhone has detected liquid in the Lightning connector.

2020's Christmas TV on the BBC. Julie Andrews, DBE is an actress, singer, author, theatre director, and dancer.