Lasers
The Group that invented laser tag
What is the US army
The amount of mirrors in a traditional laser
What is 2
a place that you can not see lasers stated in the powerpoint
What is Space?
the colour of visible light with the longest wavelength
What is red?
The longest word in the English language
what is pneumonoultramicroscopicsilicovolcanoconiosis
The type of crystal in a red laser
what is a ruby
The injury that the laser can Accelerate
What are broken bones?
the things that barcodes scan for
What are white lines?
The lighter part of a shadow
What is the penumbra?
the object at the center of the milky way
What is a black hole?
The person who coined the term laser
Who is Charles Towns
The year the laser was made
what is 1960?
the length of a nanometer
what is a billionth of a meter?
The darker part of a shadow
What is the umbra?
DAILY DOUBLE
The third brightest celestial object visible from earth
what is Venus?
The accuracy of a laser
What is a nanometer
The device that creates a flash of light to excite the crystal inside
What is a flash tube
what lasers can do to water
what is purifying water
When light shines on a rough surface, the particles scatter in all directions
What is a diffuse reflection?
The largest moon in the solar system
What is Ganymede?
3 uses of the laser listed in this presentation
What is surgery, laser eye surgery, barcode scanners, CD players, cutting, welding, laser drills, printing, missile defence, fibre optics, laser heating, laser cooling, dental laser, cosmetics, 3D scanning, hair removal, garage door safety, entertainment?
DAILY DOUBLE
The acronym for Laser
What is Light amplification by stimulated emission of radiation?
The person who made the first laser
Who is Theodore Maximan
When light shines on a smooth surface it creates a smooth clear reflection
What is a specular reflection
The coldest place known in the universe
What is the boomerang nebula?