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Showing posts with label Science and Technology. Show all posts
Showing posts with label Science and Technology. Show all posts

Top 10 Temperature Calibration Tips


There's a common belief that temperature calibration isn't possible in digital devices. It is a sane belief but still, there's a working logic for this operation. When you enter a desired value to calibrate the device, the internal temperature of the thermistor is manipulated accordingly. This is exactly how it works. Following are top 10 tips on temperature calibration.

1. Select the best thermistor

The Platinum Resistance Thermometer is the most accurate thermistor known to the developers at present. The readings are accurate up to a few decimal places if measured digitally. If you aren't familiar with transducers, then you can go with the analog display. The readings on the scales are accurate too.

2. Avoid usage of fluid chemicals

Try to stick to the dry-well; as the name suggests, it is dry and almost 0% moisture is present. Calibration bath is physically unpleasant as it contains viscous fluids. A dry-well is an excellent way to deal with messy fluids.

3. Keep an extra thermometer

It is recommended that you carry two or more thermometers to minimize the reading errors. Read a number of thermal devices at once and tally the readings. If the readings differ a little, consider the average.

4. Use a thermal source

While calibrating the device, make use of an external thermal source to provide heat to the device.For instance, if you wish to reduce the temperature by two degrees; then make contact of an external source to reduce the temperature by two degrees. Similarly, operate the thermal device to increase the heat. The thermal source must be digital and should be accurate up to at least two decimal places. Digital devices are always convenient.

Renewable Energy And The Green Economy

The renewable energy industry is on the verge of creating a worldwide economic boom. Venture capitalists around the world are poised to invest heavily which will create new jobs at a remarkable rate. In other words the green economy is the next big economic boom. Governments that recognize this trend are investing heavily in educating their young people to be ready for the new economy that will define their lives. Technology companies are wanting college graduates with expertise in the new tools, methods and techniques.

In the UK alone, fuel consumption is expected to increase in 2014 to 770 quadrillion thermal units. That is an astounding 50% increase over the 2012 figures. Global consumption of fossil fuels is increasing at an unbelievable rate. New oil platforms are being built in dangerous waters with the potential for economic and environmental disaster. As these sources are depleted, alternative fuels are a necessity. Globally, consumers are beginning to expect the fuel sources to be clean as well as affordable. Depletion of fossil fuels, changes in the environment, and improved technologies are driving the creation and expansion of the green economy.

Worldwide there are approximately 2.7 million people employed in all phases of the green economy. The green economy, as it is now being called, is labor intensive and is defining how people will live, work and play in the 21st century. Everything including construction, manufacture, distribution, sales, maintenance and every other aspect of human life is changing. Instead of burning coal for electricity, nature will manufacture the power we use via the solar panels and wind turbines. The use of renewable energy will raise the standard of living worldwide. The investment is necessary, and every country, rich or poor, will eventually have to embrace the new reality that renewable energy is the only power source available.

9 Approaches Towards The Best Science Fair Project

Setting up a fabulous project can feel scary initially and yet, as with most stuff that will seem to be overwhelming, if you decide to break the problem down into simple steps you could achieve almost everything. Frequently any project is simply separated into several parts:
A - Get to know your subject.
B - Design and build a display.
C - Deliver a presentation on the subject in addition to the exhibit.

Listed here are the most important 9 simple steps to your successful science fair project

Get to know your subject

1 - Look for a subject which can interest you - Get a fun subject which seems like it might be cool to learn and you should not be particularly frightened of a challenge. The assignment is unquestionably created through taking it just one action at a time. Plus a challenging project typically leads to a more desirable grade.

2 - Prepare a project plan - When you finish determining precisely what subject you would like to exhibit, decide what it really could be that you'd like to demonstrate. This type of project plan is normally just for your use. It's usually broken down straight into discussing areas relating to the particular material and has an introduction, detailed description or simpe demonstration, as well as a summary. This plan ought to do several things:

- It can help you comprehend the topic much better,
- It can help you foresee most of the unavoidable problems that will come up,
- It can be used for a resource whenever talking about the subject and even writing a written report.

3 - Research your subject - Just like any report, and a science fair project is just a more sophisticated report, all the hours you actually put in finding out about the topic will pay off over time. However the time devoted investigating should be used on actual research. It is really quite easy to become derailed when performing research. Here is where the project plan come in, stick to the plan and set targets to know each section of the project plan one step at a time.

Design and build a display

A display often is the center point to your assignment. It will be where nearly everybody will likely be centering their attention. It is intended to not just demonstrate your expertise of the subject matter, but it will certainly explain the topic to individuals who will not know much about the topic.

Galileo Galilei Biography

One of the most well known and influential individuals in the scientific realm to ever live goes by the name of Galileo Galilei. Many have heard of him, but few actually have a detailed knowledge of his life and accomplishments.

Most consider this man to be one of the most important scientists in history. Many aspects of his life have taken on epic proportions. The contributions he made to the world of science are still revered to this day. He would go on to play a major role in the scientific revolution.

Born in Pisa, Italy on February 15, 1564, he was the son of a famous lutenist and musical theorist. A deeply religious individual, he spent his life as a devout Catholic. After considering a career in the priesthood, he eventually enrolled at the University of Pisa at his father's urging.

Originally enrolling to study medicine Galileo soon decided to pursue mathematics instead. This decision would impact the world of science. Many of the most prominent scientists of our time cite his work involving natural sciences and the scientific method as some of the most important of all time.

Most are familiar with his role involving the Catholic Church. His support of the heliocentric theory that the Earth revolves around the sun was thought to contradict scripture. He was put on trial for his views. Many of his work and teaching were banned and he was put under house arrest. This incident has taken on somewhat legendary proportions, though most are misinformed of the events, as they are surrounded by myth and legend.