R90S's channel

Different tube lengths under identical vacuum

Honey bees

Lowering the runner into the hole. The weight of this pick is about 365 tons.

Riding up crab creek.

This is the assembled hub and blades of the Advanced Turbine at Wanapum Dam.

New stator is subjected to high voltage loads and checked for hot spots. The guys in the center are using infrared temperature readers to find the ...

Fish ladder - i just like to watch the bubbles.

Video from my iphone 4.