Vietnam or Thailand? Vote for the TOP Country of the Week!
Want to type faster? Practice with a typing test or have fun with typing games!
Updated: October 17, 2026
It is also said that he performed this experiment successfully before the Emperor Rudolph II, at Prague; and that the Emperor, to commemorate the circumstance, caused a marble tablet to be affixed to the wall of the room in which it was performed, bearing this inscription, "Faciat hoc quispiam alius, quod fecit Sendivogius Polonus."