While pioneering work on non-contacting spiral-groove technology began in 1968, and the first commercially installation was achieved in 1975, it was the introduction of the Type 28 dry gas seal in ...

But today, in the face of Trump’s wave of assaults, the counterculture as we have known it (with the possible exception of ...

The Persian customs of Sijda (prostration) and Paibos (kissing the monarch's feet) were introduced by Ghiyasuddin Balban ...