{"version":"1.0","provider_name":"Rainbow Dash Network","provider_url":"http:\/\/rainbowdash.net\/","type":"link","title":"Narwhal (narwhal)'s status on Friday, 16-Jan-15 01:36:45 UTC","author_name":"Narwhal (narwhal)","author_url":"http:\/\/rainbowdash.net\/narwhal","url":"http:\/\/rainbowdash.net\/notice\/3804528","html":"@<span class=\"vcard\"><a href=\"http:\/\/rainbowdash.net\/user\/34212\" class=\"url\" title=\"awesam17\"><span class=\"fn nickname mention\">awesam17<\/span><\/a><\/span> It's pretty simple. You essentially need to create multiple electromagnets using conductive material and wire coils then position them against each other in a way that the polarity is consistently switching back and forth, then add an axis to create rotation."}