We built a real-life vortex cannon inspired by Iron Man and put it to the test! Using the world’s largest leaf blower, we see just how powerful this machine really is. Can it blast objects away ...

Buddy's DIY DIY Vacuum Leak SMOKE Test Machine! Posted: February 26, 2025 | Last updated: February 26, 2025 In this video, I’ll show you how to make your own smoke test machine to quickly and ...

A serum iron test can reveal unusually low or high blood iron levels. Your doctor will most likely order this test after another lab test shows an abnormal result. Having too much iron — or not ...