The 0.85BaTiO 3 –0.15Bi(Mg 2 ∕ 3 Nb 1 ∕ 3)O 3 (BTBMN) ceramics with low-melting-temperature B 2 O 3 –Na 2 B 4 O 7 –Na 2 SiO 3 (BNN) glass addition were prepared by the solid state method. The ...

If there is no oxygen in space, how do rockets ignite their engines? Thomas Carlton High Bridge, New Jersey. Rockets carry an oxidizer, often in the form of liquid oxygen, to burn their engine fuel.