Transcript Atomic Bomb – History and Affection

Hee Joong Kim
Sunghun Jun
Saebom Kim
Seung Jae You
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Electricity is the movement of electrons
between the atoms that are either positively
or negatively charged.
 An atom that loses electrons has positive charge
 An atom that gains electrons have negative
charge

Also defined as a variety of phenomena
resulting from the presence and flow of
electric charge

Thales of Miletus (630-550 BC)
 The first to acknowledge that the amber stone when
rubbed produces an attraction force over some object

William Gilbert (17th century)
 Studied phenomena of electricity and magnetism,
and distinguished between the electric effect of
amber and magnetic effect of lodestone
 Gave name ‘electricus’ to the phenomena of
attraction shown by amber
▪ Rise to the modern word of electricity

Benjamin Franklin (18th century)
 Known as the father of electricity

Kite experiment
 Performed experiment of flying a kite during a
thunderstorm
 Discovered that lightning and electricity were
somehow related

Alessandro Volta
 Constructed the first device to produce a steady
electricity, voltaic pile (electric battery).
▪ Positive and negative charged connectors created
transmission of electricity.

Michael Faraday
 Created the electric dynamo, a precursor of
modern power generators
 Opened the door to the new era of electricity

Nikola Tesla
 Developed the first actual power system
 Developed florescent lights and publically used it
prior to Ericson’s invention of the incandescent
light

Static Electricity
 A condition that exists when electrons are
displaced and remain
 Usually result of friction, such as lightning bulb

Current Electricity
 A constant flow of electrons from atom to atom

Historic View
 Perceived electricity as the power of the Gods
 Ex: Certain species of eels and rays, possess the
defensive power to generate electric shocks and
ancient people thought these shocks could cure
headache or gout.
▪ They did not, however, use the term ‘electricity’ for what
they were experiencing.

Housing System
 Enlighten rooms with kerosene lamps instead of
stands or incandescent lights, and heated up the
rooms with wood or coal stoves instead of electric
heater.

Transportation
 Transportations such as car and train could not be
produced due to lack of electricity.
 People had to travel by walk or carriage.

Telecommunication
 Used smoke or fire to deliver urgent news or
location

Economy
 Raised horses and cows for economic activity
 Increased traveling time by riding carriage or
horse
 Poor quality of life with lack of technology and
electricity

Thermoelectric Power Generator

Hydroelectric Power Generation

Nuclear Power Plants
1. Power plant gather to
heat up water
2. Vapors water
3. The water goes into a
big tube that travels
to turbine
4. Spins a magnet inside
the generator to
make electric force
1. Generated by the force of
falling water
2. Water flows through a dam
and turns a turbine, which
turns a generator
▪
Turbines contain metal coils
surrounded by magnets that
spin over the metal coils, which
produces electricity

Steam power plant that is fueled by a
radioactive element such as uranium.
The fuel is placed in a reactor and the individual
atoms are allowed to split apart.
2. The splitting process releases great amounts of
energy that is used to heat water until it turns to
steam.
3. The mechanics of a steam power plant take over
that it pushes on turbines, which force coils of wire
to interact with a magnetic field to produce an
electricity
1.

Entertainment
 Enable us to watch television, listen radio and
music, and use electric devices such as cell phone
and personal computer

Comfort
 Help housework with washing machine, vacuum
cleaner, microwave, etc.
 Enable us to read or work at night as bright as
noon time

Information System
 Usage of cell phone or internet with electricity
base enable us to get new information faster than
any other time
 Ex: Stock market, international telephone service

Medical Service
 Enable us to use x-ray, CT scan, MRI, CPR device
etc.
 Provide better surgery with modern technology

Sewage Treatment
 Remove contaminants from wastewaters and
household sewage with chemical, biological and
physical methods based on electricity usage

Industrialization
 Promoted heavy industries and massive
production
 Decreased time cost and labor forces with
developed technology and electricity

Sound
 The electrical interaction will create a force that
move electrons in and out together, which creates
a sound wave
 Speed of moving in and out is the frequency of the
sound, or pitch, and the amount of the cone
movement is the amplitude of the sound, or
volume
 Ex: Speaker

Light
 Electrical energy into the metal flows into the
circuit such as light bulb
 In circuit, amount energy was delivered these
electrons pass along the filament

Heat
 The resistance of electrons flowing through
conductors produce heat energy
 Ex: Electric stove, electric pad, iron
http://en.wikipedia.org/wiki/Electricity
http://wiki.answers.com/Q/Who_discovered_electricit
y
 http://www.energyquest.ca.gov/story/chapter02.html
 http://www.scienceandinventions.com/2010/06/20/wh
o-discovered-electricity/
 http://www.eskimo.com/~billb/miscon/curstat.htmlc
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http://learningscience.org/psc1clightheatelectricitym
agnetism.htm
http://www.geography-site.co.uk/pages/environ/elect
ricity.html
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http://www.ehow.com/how-does_4621693_elec
tricity-light-up-bulb.html.
http://library.thinkquest.org/5217/produce.htm
http://www.wired.com/science/discoveries/news
/2005/07/68074?currentPage=all
http://riversfromeden.wordpress.com/2011/08/1
8/electricity-in-the-ancient-world/
http://www.duke-energy.com/about-energy/gen
erating-electricity/nuclear-how.asp
http://science.howstuffworks.com/environment
al/energy/hydropower-plant1.htm