[Harrison Low] published some 3D-printed linear actuators, which generated a lot of interest. He got a lot of advice from people on the Internet, and he took it to heart. The result: an improved ...

[Roland] has already built a few very cool and extremely realistic flight sims, but his latest project will put his current rig to shame. He’s building a six degree of freedom simulator based on ...

Many people who have difficulty with weight-bearing activities due to arthritis, injury, or being overweight enjoy the benefits of aquatic physical therapy Many people who have difficulty with ...