(via Mark Rober) Fluidized beds are used in industry for various reasons. They also happen to be really cool to play with and swim in. I made a liquid sand hot tub by adding air in just the right way.

Both in ground hot tubs and above ground hot tubs offer myriad benefits for those who soak in their warm, soothing waters. But installing an in ground hot tub vs. an above ground hot tub can be a big ...

If you enjoy sitting in the warm, churning water of a hot tub, you're not alone. A growing number of Americans are getting hot tubs, pools and spas for at-home use - as much as 17% of the country, ...

A highly rated Costco hot tub offers relaxation at home, but what do real buyers think about comfort, setup, and long-term value for the price?

Hot tubs are one of the best ways to wind down after a long day. They have several health benefits, including stress relief, pain relief and improved sleep. Owning one is like having your own personal ...