Essays on Physics

210

What is an Action Potential

2 pages / 713 words

An action potential is an electrical impulse that begins at the axon hillock (trigger zone), propagates away from the soma, and moves down the axon, synaptic knob, and synapse. The action potential is triggered by a depolarization of the neuron from -70mV to -55mV. This...

Electrical Engineering Electricity

211

The Evolution of The Heat Engine System

1 page / 538 words

A heat engine is a system that converts heat or thermal energy and chemical energy into mechanical energy which in turn does mechanical work. It allows work to be done by using provided energy in the form of heat and then exhausts the heat that...

Heat Search Engine

212

The Basic Qualities of The Musical Sound: Pitch and Duration

1 page / 627 words

There is a basic difference in the character between the Indian Music and the Western Music. The Indian Music is basically an individualistic music in which a musician enjoys a great deal of freedom to express his own individual talents, which are improvisations. In Western...

Sound

213

The Use of Renewable Sources of Energy Over Fossil Fuels

4 pages / 1830 words

Oil, coal, and natural gas are non-renewable energy sources known as fossil fuels which are currently the world’s primary source of energy. These are formed by prehistoric plants and animals that died over a million years ago and were gradually buried by layers of rock....

Energy Fossil Fuels

214

The Three Gorges Project

1 page / 470 words

The Three Gorges Project is a hydroelectric gravity dam that is situated in the Yangtze River by the town of Sandouping, China. The Three Gorges Dam is the world’s major power station in terms of installed capacity, which is 22,500 Mega Watts. Each water turbine...

Gravity Hydroelectric Power Project

215

Hydroelectric Power

1 page / 594 words

Hydroelectric power is a kind of renewable energy and have a very old history. The world first hydroelectric power plant has been exist and began operated at September 30, 1882 on the fox river in Appleton, Wisconsin. The electricity that generate in the world got...

Electricity Energy Hydroelectric Power

216

Uganda Higher Education

1 page / 489 words

Uganda provides a perfect example of an energy poverty country and therefore, I recognize its need for talent in form of planners and experts in fields that are critical to economic development. My greatest challenge is in helping Uganda cope with the paucity of personnel...

Energy

217

The Growth of Electricity Through The Ages

1 page / 500 words

Before the industrial revolution, humans relied on natural energy flows and animal and human power for heat, light and work. Draft animals, wind and water were the only sources of mechanical energy. The only form of energy conversion (from chemical energy to heat and light)...

Electricity

218

Investigation into The Success of The Plan that Ended World War Ii by Attacking Japan with Atomic Bomb

2 pages / 972 words

Was the Atomic Bomb an Effective Usage of Strategic Bombing? On August 14, 1945, after the atomic bombing, Japan surrendered to the Allied states in World War II. To this day, there are arguments as to whether the usage of the atomic bombs was necessary...

Atom

219

An Experiment on Time and Velocity: a Study of The Acceleration Rate of an Object

2 pages / 963 words

Acceleration experimented with the velocity and time of a falling object to produce a reasonable calculation for the acceleration due to gravity of Earth. The experiment was divided into parts, each with a specific procedure to determine the acceleration due to gravity. Both parts, however,...

Gravity

220

Force of Gravity Explained: a Practical Experiment

1 page / 619 words

Introduction Gravity is the force that attracts a body towards the center of the earth; a common example of gravity taking place is a falling object. When toast slides off a table, it is observed to land jelly side down frequently. As the toast is...

Gravity

221

Zero Gravity in Space: a Look at The Experience of Astronauts

1 page / 622 words

Apparent Weightlessness A frequent misunderstanding by many people today is that astronauts experience zero gravity especially when referring to astronauts in space. Many believe astronauts are weightless in space and that justifies their ability to float and travel through space. However, physics has proven this...

Gravity

222

Steps of Heat Treatment

1 page / 368 words

Heat treatment could be any one of a variety of controlled heating operations used to change the physical properties of a metal; there are five different types of heating processes. These would be case hardening, normalizing, hardening and tempering. Even though they all differentiate in...

Heat

223

Alfred Bernhard Nobel, an Establishment of Nobel Prize

1 page / 386 words

Introduction to the Nobel Prize I think that everyone knows about the Nobel Prize. Every year, some remarkable individuals are announced as winners. The Nobel Prize comprises six categories: Physics, Chemistry, Medicine, Literature, Peace, and Economic Sciences. It is the most prestigious award, but how...

Atomic Theory

224

The Leed Certifications

3 pages / 1281 words

The LEED certifications depend on a 100-point scoring system. In order to attain the lowest level of certification a hotel must meet a minimum of 40 points. Whether you are building a brand new hotel from the ground up or are currently operating a full...

Energy Green Building

225

Thermal Conduction, Convection and Radiation

1 page / 667 words

Thermal Conduction Thermal conduction is the transfer of energy arising from temperature differences between adjacent parts of a body. Thermal conductivity is recognised as the exchange of energy between molecules and electrons in the conducting medium. The rate of heat flow in a rod of...

Energy

226

Lastic Acid

1 page / 405 words

Lactic acid is produced when glucose is broken down and oxidized. During intense exercise when oxygen levels are lower, more lactic acid is made, which produce hydrogen ions and a burning sensation in muscles while they’re active. However, on-going soreness in the days following an...

Energy Muscle Protein

227

LED Light Bars

1 page / 454 words

Why do we choose LED Light Bars? A Led lights are a short either long bunch of huge-brightness Led lights. They give a luminous, extensive and forcing pole of light ahead, behind or to the side. They feed a powerful profit for dark driving or...

Electricity Light

228

Lithium Ion Batteries

2 pages / 759 words

Lithium-ion batteries are used everywhere from lighting up our mobile devices to powering our electric cars that we drive. Lithium-ion batteries are the best batteries that we have to this day. These batteries will be the best batteries that we will have for a long...

Energy