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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. Editor de ecuaciones Convert Latex Equations into Images to Embed in DocumentsEmbed Equation in Web Page, Forum, Google Docs, TwitterRender Latex Math Equations into Plain Text ASCIIInsert ASCII Eqn as comment in source-code or emailConvert your email or address to image to avoid spamSupports (PNG, GIF, JPG, TIF, BMP, PNM, FIG, PS)Control Equation Font Family, Size, Color, and OpacityUnlimited Uploads, No Registration Learn Latex QuickySymbolsBook 1Book 2Book 3 | You need not to enter Latex math tags such as $...$, \begin{equation}...\end{equation}, or \begin{eqnarray}...

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. Hence, during these first cell divisions, the zygote, now called an embryo, does not grow in size but does move successively through the stages where it is composed of 2, 4, 8, and then 16 cells, called blastomeres.

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. Which would you rather do? Be Safe!

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. Like a drop of ocean water each tiny tear drop carries a microcosm of human experience. Her project is called The Topography of Tears.

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. 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

Useful Websites Here is a list of websites we have featured in the past that might come in handy. Remember to set as your start page if you haven’t already. Educational/Learning – Useful and educational links updated daily. Set it as your homepage and forget about - video lectures on just about any - lectures by smart - for every educational website or useful web app out - classroom - expand your vocabulary while feeding the - a collection of geography - timed math - the best short - learn about - turn a Wikipedia article into a - a collection of intellectually stimulating - a place to learn amazing and unusual historical and scientific facts Learn Skills