Build your own tractor beam

[robkelk]

Here's how to make your own tractor beam:


Here's how it works (at the "50,000-foot-view" level):

--
Rob Kelk
"Governments have no right to question the loyalty of those who oppose
them. Adversaries remain citizens of the same state, common subjects of
the same sovereign, servants of the same law."

- Michael Ignatieff, addressing Stanford University in 2012