Osram Sylvania 32W 120V T8 2-Lamp High Efficiency Electric Ballast

Osram Sylvania 32W 120V T8 2-Lamp High Efficiency Electric Ballast

Osram Sylvania 26W/32W/42W Rapid Start Electric Ballast

Osram Sylvania 26W/32W/42W Rapid Start Electric Ballast

Electrical ballasts limit the amount of current in an electric circuit that are used with growing lights. #indoorgrowlights #Hydroponics #Gardening

Electrical ballasts limit the amount of current in an electric circuit that are used with growing lights. #indoorgrowlights #Hydroponics #Gardening

Osram Sylvania 28W T5 120V Quicktronic Electric Ballast

Osram Sylvania 28W T5 120V Quicktronic Electric Ballast

Osram Sylvania 32W 120V Quicktronic Professional Electric Ballast

Osram Sylvania 32W 120V Quicktronic Professional Electric Ballast

Osram Sylvania 70W 120V M139/M98 Quicktronic Electric Ballast

Osram Sylvania 70W 120V M139/M98 Quicktronic Electric Ballast

Energy Saving AC220V 0.288A 38W Ring Tube Fluorescent Lamp Ceiling Light Ballast

Energy Saving AC220V 0.288A 38W Ring Tube Fluorescent Lamp Ceiling Light Ballast

GE Lighting ge432-mv-ps-n Electronic ballast,t8 lamps,120 to 277V

GE Lighting ge432-mv-ps-n Electronic ballast,t8 lamps,120 to 277V

Advance F32T8 Instant Ballast Electronic

Advance F32T8 Instant Ballast Electronic, Black

The bathyscaph is a deep water submarine used to explore the very lowest parts of the ocean. It is electrically powered. Once at the bottom, if the batteries or electrical system fail the best outcome would be for the sub to return to the surface. The designers made this outcome occur by holding the ballast in place with electromagnets. When power is lost, the ballast drops off automatically and the sub starts its ascent.

The bathyscaph is a deep water submarine used to explore the very lowest parts of the ocean. It is electrically powered. Once at the bottom, if the batteries or electrical system fail the best outcome would be for the sub to return to the surface. The designers made this outcome occur by holding the ballast in place with electromagnets. When power is lost, the ballast drops off automatically and the sub starts its ascent.

The GravityLight uses gravity, acting on a weighted bag, to generate energy. great for camping or off-grid living -- no batteries. no solar cells that need sun. no hand cranks that lose their spring.

11 Ingenious Solar Projects Impacting the Developing World

The GravityLight uses gravity, acting on a weighted bag, to generate energy. great for camping or off-grid living -- no batteries. no solar cells that need sun. no hand cranks that lose their spring.

Electric ballasts are a crucial part of your growing setup...don't make the wrong choice. All you need to know about MH and HPS ballasts is in this guide.

HID Ballasts: The Quick and Easy Digital Ballast Guide

Electric ballasts are a crucial part of your growing setup.don't make the wrong choice. All you need to know about MH and HPS ballasts is in this guide.

10 innovative ideas that let us live on water #design #tech #science

10 innovative ideas that let us live on water

The Water-Scraper Designed by Malaysian architect Sarly Adre bin Sarkum. The building would generate its own power using wave-power, solar energy and wind power, and has its own farms, including aquaculture and hydroponics farms.

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