On Mon, Nov 21, 2016 at 6:23 PM, Tim <xxxxxx@little-possums.net> wrote:

After that, they would
need to test in a wider variety of conditions to rule out other
possibilities such as local interaction with Earth's magnetic field.

But if the effect is due to interaction with a weak magnetic field, couldn't it still work, by purposely including a permanent magnet in the device?

Richard Aiken

"Never insult anyone by accident." Robert A. Heinlein

"I studied the Koran a great deal. I came away from that study with the conviction there have been few religions in the world as deadly to men as Muhammed." Alexis de Tocqueville (1843)

"We know a little about a lot of things; just enough to make us dangerous." Dean Winchester

"It has been my experience that a gun doesn't care who pulls its trigger." Newton Knight (as portrayed by Matthew McConaughey), to a scoffing Confederate tax collector facing the weapons held by Knight's young children and wife.