Oil Prices Fall Amid Fears of Oversupply  The Wall Street JournalOil prices erased an early advance Monday, falling on continued worries of a supply glut as analysts looked ahead to inventory data scheduled for later in the ... Read more https:// …

The Wonderful Weirdness Of Oil Viscosity  Cycle WorldViscosity is the internal friction of fluids, the resistance of one fluid layer to sliding over adjacent layers. Viscosity makes lubrication possible. Viscosity allows the ... Read more https:/ …