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Quantum computers explore the unique properties of quantum mechanics for computational tasks
Quantum computing uses quantum bits and qubits.
Computational: Use of computers to solve.
Qubits are basic units of quantum information that can exist in multiple states unlike bits.
As qubits behave quantumly, the phenomena of ‘superposition’ and ‘entanglement’ are used.
Quantum: Actions/Events related of quantum mechanics.
The two main situations within quantum computing:
Superposition: Imagine something can be:
1 or, 0, or both 1 and 0 at the same time.
Entanglement: Imagine two connected pieces of data. If one changes, so does the other one. Now if the two pieces are separated across the universe, they're still connected. this is referred to as “spooky action at a distance” by Einstein.
Quantum computing may drastically change how computers process and store data, and quantum computers' power may do things that we never thought.
Light Sources
Light Sources
Luminous
Luminous
Luminous objects produce and emit their light are luminous as shown.
Non-Luminous
Non-Luminous
Objects that don't produce their own light are called non-luminous
Most objects are non-luminous
Childrens have planets and comets on the ceiling at night that glow in the they called phosphorescence
The Sun is luminous because it produce light on its own.
The Moon isn't because it receives light from the Sun
Lasers
Lasers
A very special types of lights
LASER:
Light
Amplification by
Stimulated
Emission of
Radiation
Other lights from bulbs are made of waves of many different energy levels.
What normal lights look like...
However for lasers, it emits electromagnetic waves of exactly the same energy levels.
In result, laser are very pure colors and intense.
EM waves travel in exactly the same direction, in unison
In Conclusion lasers are very useful for its
Pure in colour
Very intense
Concentrated in one narrow beam
Laser beam can travel great distances without spreading out.
Uses of lasers
Uses of lasers
Industrial (cutting
Medicals (eyes, skin, tissue)
Measurement
Concerts
Or for securities
What is the definition of a luminous object?
Which of the following objects are luminous? Stars, the moon, hot toaster filament, planets, desk lamp.
Classify the following according to the process by which they emit light:
Red-hot stove burner
Glow-worm
A lit match
Classroom lights
Warning lights on car dashboards
Canada Day glow sticks
Incandescence
Incandescence
The glowing of a substance due to high temperature.
For example light bulb or lamp is a source of electric light that works by incandescence
Photon
Photon
Small particules containing electromagnetic radiation. It represents quantum of light or other electromagnetic radiation but has 0 mass.
Fluorescence
Fluorescence
It is the emission of light by substance that absorbed light or other electromagnetic radiation. As well as the ability of certain chemical to give off visible light after absorbing radiation which isn't normally visible, like ultraviolet being very useful.
Electric Discharge
Electric Discharge
The release and transmission of electricity in an applied electric field through a medium such as gas. Several of eletrci discharges occur naturally on Earth.
For example: an ordinary household fluorescent lamp is a electric-discharge source
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