A transient ischemic attack (TIA) occurs when blood flow to a part of the brain stops for a brief time. A person will have stroke-like symptoms for up to 24 hours.
Aethertopia is perhaps the most ambitious, outrageous, and unique event to ever hit the fan market.
There is the Aether, a dimension directly above the overworld. There is also the dream world (hidden in minecraft source/main code), an incomplete dimension accessible through the use of a Dream Bed. There is other incomplete stuff as well. To help you, there is a mod for it.