argorn
to make things colourful
Electric head lights has been used since 1917.
Energy is not stored in lights (not electric ones at least). Energy is used by lights.
yes
In 1882 Edward Johnson from New York City lit up a Christmas tree with electric Christmas lights for the first time.
When it was completed. The lights were beginning to be used just at that time in NY.
1882
Yes, gas & kerosene lamps were used exclusively before the invention of electricity.
People used candles to light Christmas trees before there were electric lights.
Neon is used for fill in neon bulbs.They are used to make colourful bulbs.
unknown
Neon was the first inert gas so used. It makes a bright red light when properly stimulated by an electric field.