Subject / Started by
Columbus & a Round (or Flat) Earth.

Started by Yaakov ben Avraham « 1 2 »

Ferdinand Magellan

Started by Yaakov ben Avraham

Unipolar, bipolar, disc, square, infinite plane?

Started by Yaakov ben Avraham « 1 2 3 4 »

Sailing a Columbian ship to the edge.

Started by Yaakov ben Avraham « 1 2 »

What is and isn't proof

Started by Xfires « 1 2 3 ... 6 »

House of Cards

Started by xenotolerance « 1 2 »

Ionosphere

Started by wtbofnc