Remember the claims about sprouting plants tending to lean to center when grown above a spinning mass? If you ever suspected that spinning certain things (bismuth, brass, superconducting rings or discs, etc.) might cause some anomalous gravity-like effects, the experiment below might look pretty good to you.
http://www.iop.org/EJ/article/1742-6596/150/3/032101/jpconf9_150_032101.pdf? request-id=92423b19-1ec0-4379-891a-311c6c69e0b2 Watch out for the text-wrap break, or try: http://tinyurl.com/cnsonh - R.

