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Ballard Locks. / 47.66556°N 122.39722°W / 47.66556; -122.39722. The Hiram M. Chittenden Locks, or Ballard Locks, is a complex of locks at the west end of Salmon Bay in Seattle, Washington's Lake Washington Ship Canal, between the neighborhoods of Ballard to the north and Magnolia to the south. [2] : 2 [3] [4] : 6.
Pool-and-weir fish ladder at Bonneville Dam on the Columbia River Drone video of a fish way in Estonia, on the river Jägala FERC Fish Ladder Safety Sign. A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon, is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as ...
A plan and side view of a generic, empty canal lock. A lock chamber separated from the rest of the canal by an upper pair and a lower pair of mitre gates.The gates in each pair close against each other at an 18° angle to approximate an arch against the water pressure on the "upstream" side of the gates when the water level on the "downstream" side is lower.
But about a mile upstream at a second fish ladder, and then several miles farther up still at a third fish passage where the river’s natal headwaters spill out of Indian Lake, state fisheries ...
Herschel the sea lion was the moniker given to a series of male California sea lions in Seattle, Washington, United States. Herschel took up seasonal residence in the early to mid-1980s on the saltwater side of Seattle's Salmon Bay at the Ballard Locks where salmon runs were funneled into the fish ladder. Due to the volume of fish the groups ...
Ladder logic. Ladder logic was originally a written method to document the design and construction of relay racks as used in manufacturing and process control. [ 1] Each device in the relay rack would be represented by a symbol on the ladder diagram with connections between those devices shown. In addition, other items external to the relay ...
The ladder paradox (or barn-pole paradox) is a thought experiment in special relativity. It involves a ladder, parallel to the ground, travelling horizontally at relativistic speed (near the speed of light) and therefore undergoing a Lorentz length contraction. The ladder is imagined passing through the open front and rear doors of a garage or ...
The Cockcroft–Walton ( CW) generator, or multiplier, is an electric circuit that generates a high DC voltage from a low-voltage AC or pulsing DC input. It was named after the British and Irish physicists John Douglas Cockcroft and Ernest Thomas Sinton Walton, who in 1932 used this circuit design to power their particle accelerator, performing ...