Backyard Time Machine: The Time Travel Mystery of Mike “Mad Man” Marcum

Mike fired up the box and the lasers came to life. The machine produced a small circular area of distortion. It was a vortex about eight inches across that looked like ripples above a fire. This was unexpected. Mike didn’t know what the vortex was or if it was dangerous. So he grabbed a sheet metal screw and tossed it through the field. It vanished. Mike just stared and blinked and waited. The screw was just… gone.

The show’s own verdict is on its page.