Magnetic gas mileage extender
On a recent trip, a fellow RVer showed me a magnet that he says extends his mileage by 20%. I researched it, found many products, and many COMMERCIAL-STYLE claims, but, not convinced that it really wo...
Forum Discussion
TInmania wrote:
The placebo effect runs strong with stuff like this.
Michael
Yup, kind of like how a diet -- almost any diet -- will cause you to lose weight, at least partly because you start paying close attention to what you eat. That's why clinical trials are always "blind" -- the patients/drivers don't know whether they have the real drug/device or the placebo. That's the only fair way to evaluate effectiveness.
