Older linear fluorescent fixtures used throughout most of the older buildings on the Western Michigan University campus utilized T12 type magnetic ballasts. This type of ballast operates at 60 hertz ...

Description: an available magnet mount. Technical Data Power consumption 11 W (~ 75 W incandescent bulb) Luminosity 900 Lm Lamp type compact fluorescent, 2G7 base, electronic ballast Service life ...

Class 1 power supply plates for metal halide lamps. Comprising inductors, capacitors, a circuit breaker with fuse and a terminal strip. Protective index IP20 in accordance with NFC 17-200. Wattage = ...

The reason submarines are able to do this is thanks to some very important components known as the ballast and trim tanks. These are located throughout the sub at the bow and stern as well as on ...

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Approximately 41,000 years ago, Earth's magnetic field briefly reversed during what is known as the Laschamp event. During this time, Earth's magnetic field weakened significantly—dropping to a ...

A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction ...

Magnetic materials are always made of metal, but not all metals are magnetic. Iron is magnetic, so any metal with iron in it will be attracted to a magnet. Steel contains iron, so a steel ...

Transcranial Magnetic Stimulation (TMS) is a non-invasive procedure that delivers magnetic pulses to the brain to change neural activity. It is used to treat mental health disorders, particularly ...

But while some falsies require messy glue, magnetic lashes make it easier than ever to amp up your fringe. Magnetic lashes take the mess out of the process and are less likely to come off ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

European scientists think they can now describe with confidence what's driving the drift of the North Magnetic Pole. It's shifted in recent years away from Canada towards Siberia. And this rapid ...