Question

Two questions....
1. What makes a "fluorescent" highlighter marker so bright?
































































I just want to know the answer for the first one but i want to know who else knows this show.
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2. Who has seen/heard a show called....



Doctor Who? (Don't blame me for watching this show) Answer honestly

Answer 1

Dont know what is this?

Answer 2

Answer:

1.Fluorescent highlighter ink is unusually bright because it converts some of the incident ultraviolet light that is invisible to humans into visible light. ... For example, take a normal yellow marker and a yellow highlighter marker which contains a yellow fluorescent chemical mixed into the ink.

2.Doctor Who is a British science fiction television programme produced by the BBC since 1963. The programme depicts the adventures of a Time Lord called "the Doctor", an extraterrestrial being, who appears to be human. The Doctor explores the universe in a time-travelling space ship called the TARDIS.

HOPE IT WILL HELP YOU

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2.I HAD NOT SEEN THIS SHOW