My fellow mattress experts and I visited the 3Z factory in Arizona and got a behind-the-scenes look at the secret foam-pouring process for beds.

While [Ken] doesn’t say directly on the project page what he uses the foam for, perhaps it or a similar type of foam could be used for building walk-along gliders.

Originally designed by NASA for aircraft cushions, memory foam is made mostly from a type of plastic called polyurethane — as are most foams. But what makes memory foam “remember” the shape ...

Choosing a mattress is very important to have a good night’s sleep which can also affect your daily work and health. Comfort ...