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Slogans on gallium?

Gallium --- It Stops Traffic


Is a eraser gallium?

No, an eraser is made of rubber. Gallium is a metal.


Is a traffic light part of the environment?

No. A traffic light is a man made object, not part of the natural environment.


What part of traffic lights are made of different things?

The usual part of the traffic light is made of metal and the lenses are made of glass.


What year was the traffic light inveted?

The traffic light was invented in 1868 by J.P. Knight in the United Kingdom. It was a manually operated gas-lit device.


Was the traffic light made in the US?

it was made in the US by a man who was British


What inventions were made in the year of 1923?

traffic light


Are traffic lights an American invention?

the second traffic light was made in America, the first one was made in Europe and exploded


What compound is gallium used for?

Low melting Gallium alloys are used in some medical thermometers. Gallium arsenide is used in light emitting diodes and solar panels


What are some things made up of gallium?

Gallium is used in a variety of applications, such as in semiconductors, light-emitting diodes (LEDs), and solar panels. It is also used in the manufacture of certain medical devices like thermometer sensors and as a component in some alloys used in aerospace industry.


Why germanium is not used as LED material?

LEDs are made from binary semiconductors (e.g. gallium aluminum indium phosphide) not unary semiconductors (e.g. silicon, germanium) because they can be made transparent to light. Silicon & germanium are opaque.


What made Garrett A Morgan invent the traffic light?

a vehical crash