• Mathematics

    The book of nature is written in the language of Mathematic. -Galileo

  • Physics

    We live in a universe that responds to what we believe. -Corbin Henry

  • Chemistry

    We define organic chemistry as the chemistry of carbon compounds. -August Kekule

  • Astronomy

    The universe is like a safe to which there is a combination, but the combination is locked up in the safe. –Peter de Vries

  • Engineering

    There’s nothing I believe in more strongly than getting young people interested in science and engineering, for a better tomorrow, for all humankind. -Bill Nye

Ancient Skies Gods and Monsters

By  at July 26, 2019    No comments
Watch more video he...

Earn 50 dollars with new SoFi account and an interest rate of 2.25 percent annually

By  at July 04, 2019    No comments
SoFi is an online bank account that offers 2.25 percent interest per year. That is a lot more than you would get with a regular checking or savings account at many banks. SoFi also offers investment options you can use to invest and grow your money by diversifying your investment between stocks and...

10 Rules for a Rich Life

By  at June 24, 2019    1 comment
1. A rich life means you can spend extravagantly on the things you love as long as you cut costs mercilessly on the thing you don't 2. Focus on the Big Wins-the five to ten things that get you disproportionate results, including automating your saving and investing, finding a job you love, and negotiating your salary. Get the Big Wins right and you can order as many lattes as you want. 3. Investing...

High School AP Chemistry

By  at June 22, 2019    No comments
Introduction And Philosophy Basic Concepts Of Quantitative Reasoning Quantitative Reasoning In Everyday Life Quantitative Reasoning In Chemistry—density The Si (Metric) System Of Measurement Converting Between Systems Of Measurement Elements, Atoms, And The Periodic Table Ions, Compounds, And...

Free Science Magazine Subscription

By  at June 18, 2019    No comments
The Scientist is a website that offer free information about Biology and life science. They offer free magazine to subscriber. You can sign up to receive two type of magazine, the digital which is sent directly to your email or you can sign up to get the printed copy sent to your address. I used...

Finviz - Free Stock Screener

By  at June 18, 2019    No comments
With this stock screener you can screen stock using a wide variety of fundamental, technical, and descriptive metrics. The screener will also provide charts, quotes, and other useful information once you've drilled down and come up with results that are worth further exploration. I use this to search...

What is the difference between debt and equity funding

By  at June 17, 2019    No comments
A bank these days can lend up to 80% of the total cost of the project (land + permits + construction + sales). This means in order to make a project possible a developer only needs to come up with 20% of the money required themselves, with the rest being borrowed. A good project needs to deliver...

Understanding Basic Electronics

By  at June 14, 2019    No comments
DC Voltage AC Voltage Semiconduct...

Understanding Modern Electronics

By  at June 14, 2019    No comments
Electricity and Electronics Circuits and Symbols Instruments and Measurement AC versus DC Up The Treble Down the Bass Semiconductors - The Miracle Material Transistors and How They Work Transistors As Amplifiers Building An Audio Amplifier The Ideal Amplifier Feedback Magic Electronic...

Biology - Science of Life

By  at June 11, 2019    No comments
1. The Scope of Life 2. More on the Origin of Life 3. The Organism and the Cell 4. Proteins-How Things Get Done in the Cell 5. Which Molecule Holds the Code 6. The Double Helix 7. The Nuts and Bolts of Replicating DNA 8. The Central Dogma 9. The Genetic Code 10. From DNA to RNA 11. From...

How Tax Works

By  at June 05, 2019    No comments
Taxation is the main way in which governments raise revenue needed to pay for public spending. Governments may tax the public directly (for instance, through income tax) or indirectly (via VAT for example).  How it works Governments have the unique privilege of being able to demand that anyone...

Governments and money

By  at June 04, 2019    No comments
A country's government and central bank play a key role in the circulation of money in the economy. They monitor money supply, send funding to key sectors of society, and ensure that cash flows back to them for state spending. How it works A healthy economy requires a good money supply. Although...

Understanding Shares

By  at June 04, 2019    No comments
Shares are units of ownership interest in a corporation that are available for investors to buy or sell. Companies create shares in order to raise capital, which they can invest to grow their business. How It Works Shareholders are investors who buy the shares a company creates, and who therefore...

Understanding Bonds

By  at May 28, 2019    No comments
Companies and governments sell bonds to raise money without issuing shares. They are effectively fixed-term loans bought by investors who receive interest until the end of that term. How It Works Bonds are securities for long-term debt, although they are not always held until the end of their term....

Finance for Non-Financial Managers

By  at May 25, 2019    No comments
1. Welcome 2. What you should know before watching this course 3. The purpose of finance 4. Entrepreneurs, investors, and facilitators 5. What is accounting 6. Overview of the financial statement 7. Balance sheets 8. Income statements 9. Statement of cash flows 10. What is financial ratio...

Fundrise

By  at May 24, 2019    No comments
Fundrise is a REIT or Real Estate Investment Trust that allows you to invest into real estate by buying Fundrise stocks and earn a certain percent as dividend return on your investment. Fundrise is a good long term investment for those that wants to invest into real estate. The current rate of return...

Worthybond Investment

By  at May 24, 2019    No comments
Worthybond is a website that allows you to buy bonds for 10 dollars each and you can earn a 5% interest rate of return annually. The great thing about Worthybond is you can sell your bonds back at anytime and withdraw your money. I recommend investing in this because the percent you earn is much...

Nuclear Physics

By  at May 22, 2019    No comments
1. A Tour of the Nucleus and Nuclear Forces 2. The curve of Binding Energy Fission and Fusion 3. Alpha, Beta and Gamma Decay 4. Radiation Sources, Natural and Unnatural 5. How Dangerous Is Radiation 6. The Liquid Drop Model of the Nucleus 7. The Quantum Nucleus and Magic Number 8. Particle...

Basic Math

By  at February 27, 2019    No comments
1. Adding 1 and 2 digit number 2. Adding 3 and 4 digit number 3. Subtracting 1 and 2 digit number 4. Subtracting 3 and 4 digit number 5. Introduction to multiplication 6. Multiply by 1s 7. Multiply by 2s 8. Multiply by 3s 9. Multiply by 4s 10. Multiply by 5s 11. Multiply by 6s 12. Multiply...

Algebra Word Problems

By  at February 23, 2019    No comments
1. Number Problems 2. Digit Problems 3. Problems Involving Averages 4. Coin and Money Problems 5. Age Problems 6. Problems Involving Speed, Distance and Time 7. Mixture Problems 8. Interest Problems 9. Lever Problems 10. Work Problems 11. Problems Involving Quadratic Equations  12....

Algebra Two

By  at February 22, 2019    No comments
1. Graphing Equations 2. The Slope of a Line 3. Writing Equations of Lines 4. Graphing Inequalities 5. Solving Systems of Equations by Graphing 6. Solving Systems of Equations by Substitution 7. Solving Systems of Equations by Addition 8. Solving Systems of Equations in Three Variables 9....

Cosmology - The History and Nature of Our Universe

By  at February 21, 2019    No comments
1. The Journey Ahead 2. Denizens of the Universe 3. Overall Cosmic Properties 4. The Stuff of the Universe 5. The Sweep of Cosmic History 6. Measuring Distances 7. Expansion and Age 8. Distances Appearances, and Horizons 9. Dark Matter and Dark Energy 10. Cosmic Geometry: Triangles in the...

Thermodynamics

By  at February 20, 2019    No comments
Thermometers and Temperature Scales Expansion and Contraction of Solids and Liquid Kinetic Theory of Gases Heat Latent Heat and Phase Change Heat Transfer Work, Heat, and PV Diagrams First Law of Thermodynamics Heat Engines and the Second Law of Thermodynamics Refrigerators Entr...

Physics 3 Electricity and Magnetism

By  at February 20, 2019    No comments
The Capacitor Capacitor Problems Capacitors in Circuits, Part 1 Capacitors in Circuits, Part 2 Energy Storage in a Capacitor Capacitors with a Dielectric Part 1 Capacitors with a Dielectric Part 2 Electric Current and Current Density Part 1 Electric Current and Current Density Part 2 The...

Introduction to Power Electronics - Switch Realization

By  at February 20, 2019    No comments
This video lecture talks about the realization of switches in power converters using semiconductor devices such as power transistors and diodes...

Organic Chemistry making plastic experiment

By  at January 30, 2019    No comments
Carbon is the most remarkable of all elements. Its unique atomic structure enables it to link atoms together in long chains or rings in countless ways - so many that there is a whole field of chemistry, called "organic" chemistry, devoted to studying compounds of carbon. Every living organism, from...

Rock and Dissolved

By  at January 29, 2019    No comments
Can something as soft as rain dissolve something as strong as a rock? You can find out in this science experiment.  Things you will need: Three cup drinking glasses Lemon juice Vinegar Water 3 pieces of chalk 1. Pour 1/2 glass lemon juice into glass 1. Pour 1/2 glass vinegar into glass 2, and...

Melting point experiment

By  at January 28, 2019    No comments
Rock is solid, water is liquid, and air is gas - but they do not have to be. Every substance in the world is a solid, liquid, or a gas, yet, given the right conditions, each can change into any of these "states of matter": solid, liquid, or gas. Even rock melts to liquid lava in the heat of a volcano;...

The bouncing egg experiment

By  at January 27, 2019    No comments
Things you will need: Eggs Water Vinegar Flashlight A bowl 1. Put 1 whole raw egg in a glass of water 2. Put 1 whole raw egg in a glass of vinegar 3. The eggs are the same, aren't they? Now, leave them for a few hours. 4. Look at both eggs. Do they still look the same? The egg...