# Algebra Help

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Algebra Index Algebra is great fun - you get to solve puzzles! With computer games you play by running, jumping or finding secret things. Well, with Algebra you play with letters, numbers and symbols, and you also get to find secret things! The Basics Exponents Simplifying Factoring Factoring - Introduction Logarithms What Is A Logarithm Polynomials Linear Equations Quadratic Equations Functions Definition of a Function Sequences and Series Where to Next?

9 Places Where Electronics Engineers Can Find Free Useful Tutorials 1. The Learning Pit Here you will find a number of tutorials on PLC and Software Simulators, Tutorials in Electric Circuits, Electricity Basics and other tools. 2. Naval Electrical Engineering Training Series This website contains tutorials on AC and Transformers, matter, energy, electricity, circuit protection, wiring, electrical conductors, schematic reading, solid state devices, electronic emission tubes and power, fiber optics etc. 3. This is a very good resource for tutorials on digital electronics, DC electronics, Op Amps, Computer Basics, Semiconductors and other topics. 4. This one deals with somewhat basic tutorials and covers topics like Ohm's Law, Circuits and Phase, Induction and Inductance, Conductivity, Bridger, Impedance etc. 5. Here you will find some basic tutorials on electronics components. 6. This is a collection of tutorials on Analog and Audio Electronics, Signals, Radio, Datasheets, Components and other topics. 7. 8. This is not exactly a tutorial. 9. 10. 11. 12. 13.

THE BRAIN FROM TOP TO BOTTOM Sexual reproduction in human beings is made possible by the fusion of two reproductive cells, or “gametes”—the ovum from the mother and the sperm cell from the father. This fusion results in the formation of a zygote with 46 chromosomes: half from the mother and half from the father. The zygote thus acquires a unique genetic identity, so that it is far more accurate to speak of the sex act as one of procreation (the creation of a new being) rather than one of reproduction, which would imply simply producing the same thing over again. One day after fertilization, the zygote begins a series of mitotic divisions in which the considerable volume of cytoplasm from the ovum is divided among the multiple daughter cells. In humans, the embryo reaches the 16-cell stage, also called the morula, on the third day after fertilization. At the blastula stage, starting at 128 cells, the ball of cells develops an inner cavity called the blastocoele. Source: adapted from BrainConnection.com

Something Broken? Learn To Fix Anything With These 4 Websites No one likes it when their things break. It might be something big, like your TV or your car, or something smaller, like a leaky faucet or a cracked floor tile. You can spend hundreds of dollars to have a professional help you out, or you can learn how to fix it yourself for the cost of some tools and a couple hours of work. Be Safe! Before you go trying to fix all of your problems by yourself, make sure that you’re making safe decisions. Electronics: iFixit With almost 2,000 Mac repair guides, 2,000 phone repair guides, and 1,000 PC repair guides, iFixit has you covered for just about any electronic repair you could want to undertake. The guides are incredibly detailed and walk you through every conceivable step in the repair process; for example, the guide on how to replace the headphone and speaker jack assembly on a Samsung Galaxy SIII has no less than eleven steps to take off the back cover and remove the battery, SIM card, and microSD card. Around the House: The Family Handyman

Looking At Tears Under A Microscope Reveals An Amazing Fact One day Rose-Lynn Fisher wondered if her tears of grief would look different compared to her tears of joy, so she began to explore them up close under a microscope. She studied 100 different tears and found that basal tears (the ones that our body produces to lubricate our eyes) are drastically different from the tears that happen when we are chopping onions. The tears that come about from hard laughter aren’t even close to the tears of sorrow. Tears from laughing until crying Tears of change Tears of possibility and hope Tears of grief Tears from onions Joseph Stromberg of the Smithsonian’s Collage of Arts and Sciences explained that there are three major types of tears: basal, reflex, and psychic (triggered by emotions). Basal tears Tears of timeless reunion Tears of ending and beginning Tears of release Tears of elation at a liminal moment Tears of remembrance Credit: Rose-Lynn Fisher Like snow flakes and fingerprints, no tears are alike Source: Life Buzz Share and Enjoy

Entropy of a Gas Thermodynamics is a branch of physics that deals with the energy and work of a system. In aerodynamics, we are most interested in thermodynamics in the study of propulsion systems and understanding high speed flows. The first law of thermodynamics indicates that the total energy of a system is conserved. Total energy includes the potential and kinetic energy, the work done by the system, and the transfer of heat through the system. The second law of thermodynamics indicates that, while many physical processes that satisfy the first law are possible, the only processes that occur in nature are those for which the entropy of the system either remains constant or increases. Entropy, like temperature and pressure, can be explained on both a macro scale and a micro scale. delta S = delta Q / T During a thermodynamic process, the temperature T of an object changes as heat Q is applied or extracted. dS = dQ / T dE = dQ - dW where E is the internal energy and W is the work done by the system. and

WebGL Water Loading... Made by Evan Wallace This demo requires a decent graphics card and up-to-date drivers. If you can't run the demo, you can still see it on YouTube. Interactions: Draw on the water to make ripples Drag the background to rotate the camera Press SPACEBAR to pause and unpause Drag the sphere to move it around Press the L key to set the light direction Press the G key to toggle gravity Features: Raytraced reflections and refractions Analytic ambient occlusion Heightfield water simulation * Soft shadows Caustics (see this for details) ** * requires the OES_texture_float extension** requires the OES_standard_derivatives extension Tile texture from zooboing on Flickr

Useful Websites Here is a list of websites we have featured in the past that might come in handy. Remember to set FuckingHomepage.com as your start page if you haven’t already. Educational/Learning favoriteandforget.com – Useful and educational links updated daily. Learn Skills highercomputingforeveryone.com - learn to program in Cthechesswebsite.com - a bunch of chess tactics, tutorials, and puzzleshtmldog.com - learn htmlcodecademy.com - learn to code through interactive lessonscookingforengineers.com - learn to cookdigital-photography-school.com - learn photographymemrise.com - learn a foreign languagejustinguitar.com - guitar video tutorialslivemocha.com - a language learning communitymusictheory.net - learn music theoryinvestopedia.com - learn and practice investing Useful Web Apps Entertainment - Music, Movies, Sports, Books Other Interesting Blogs

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