^
he simply just blow it up....
Many people question about Sensei's motive.Most of them just answer its a rebellion of Mikawa
http://genesis-horizon.wikia.com/wiki/Episode_Glossary
Ether Vein Furnace
A furnace that extracts ether, and also refines Ether Fuel, one of many types of fuel.
Ether
A key component of the world’s space/atmosphere; a substance that allows all sorts of phenomena.
almost everything use ether.. even television transmission.