Snake? Snake! SNAAAAKE (Oil)!

Gotta hand it to them, Steorn just won't quit peddling their unproven "free energy" device. Despite not yet achieving a successful public demo in the past (but they sure did boast), Steorn wants you to shell out 399 Euros for an "Orbo Evaluation and Development System," which will let you:

Evaluate the core principle of Orbo Technology, which is that a time-variant magnetic interaction leads to a non-conservative energy result

Le sigh.