Owala dropped a Back-to-School sale with 20% off its bestselling FreeSip water bottles, tumblers, pet bowls and more. Grab these rare hydration markdowns before this surprise sale ends ...

Owala Stainless Steel Insulated Tumblers and FreeSips are on sale on Owala’s website. The site-wide 20% off sale is happening now through Friday, August 8.

A thermal resistor-capacitor (RC) model is introduced for the power insulated gate bipolar transistor (IGBT) modules used in a three-phase inverter. The parameters of the model are extracted from the ...