**http://www.learnmorsecode.com/**

Great Lakes Science Center Great Lakes Science Center is funded by the citizens of Cuyahoga County through Cuyahoga Arts and Culture, grants, funds, and corporate and individual gifts. The museum opened in July 1996. The center's exhibits support STEM (science, technology, engineering, math) with exhibits including the BioMedTech Gallery, advanced energy, science phenomena and space. The Science Center is home to the NASA Glenn Visitor Center, one of only 11 such Visitor Centers in the country.[2] Also, Science Center staff conduct daily science demonstrations. Throughout the school year, the Science Center provides STEM education to field trip students each year with programs and exhibits supporting classroom curriculum by meeting Ohio Revised Standards in Science. It also provides educator professional development programming.

Morse Code Conversion Tool Morse code is a method for transmitting telegraphic information, using standardized sequences of short and long elements to represent the letters, numerals, punctuation and special characters of a message. The short and long elements can be formed by sounds, marks or pulses, and are commonly known as "dots" and "dashes" or "dits" and "dahs". For much of the twentieth century, the majority of high-speed international communication was conducted in Morse code, using telegraph lines, undersea cables, and radio links. However, the variable length of the Morse characters made it hard to adapt to automated links, so for most electronic communication it has been replaced by more regular formats, including the Baudot code and ASCII.

Bach and the mathematics of genius The unmistakeable handwriting of J S Bach What does this formula mean to you? If you’ve studied mathematics, you may recognise it as “Euler’s identity”. As it happens, I’ve studied maths. At length. Electronics Demonstrations BasicsA/C CircuitsPassive FiltersOther Passive CircuitsDiodesOp-AmpsMOSFETsTransistors (Bipolar)Combinational LogicSequential Logic555 Timer ChipTransmission LinesMemristorsTunnel DiodesSpark Gaps

Typing Speed Test - how fast can you type? Sorry, but Javascript is required. Please <a href=" Javascript</a></p><p> Please activate Cookies. If you have Cookies activated, try to reload the page (CTRL+R). UCL Hazard Centre Collecting Lava Samples on Kilauea, Hawaii Pyroclastic Flow at Montserrat Novarupta Dome, Katmai National Park, Alaska Phrases, Expressions & Sayings Phrases, Expressions & Sayings What phrase is guaranteed to wake up an audience? Have you ever wondered where some of the phrases, clichés, expressions & sayings used in everyday language come from? Many of the words and phrases common in daily English originate from a wide variety of sources - folklore, history, literature, mythology, language & culture of other countries, old customs & practices, religion, science, and superstition.

Dr Hannah Fry: the mathematical models that underpin our sexual success What are the odds? Or how mathematician Peter Backus weighed up his chances of finding love… Just as it’s not possible to calculate precisely how many alien life forms there are, it’s also not possible to calculate exactly how many potential partners you may have. But all the same, being able to estimate quantities that you have no hope of verifying is an important skill for any scientist. It also applies to maths student Peter Backus’s well-publicised quest to see whether there were intelligent, socially advanced women of the same species out there for him to date.

Medieval Technology Pages The Medieval Technology Pages The Medieval Technology Pages are an attempt to provide accurate, referenced information on technological innovation and related subjects in western Europe during the Middle Ages. There are several ways to access this information. Deadly Shadow of Vesuvius by Peter Tyson In a word, yes. But that assertion, like saying we can predict the weather, bears significant caveats. Volcanologists can predict eruptions—if they have a thorough understanding of a volcano's eruptive history, if they can install the proper instrumentation on a volcano well in advance of an eruption, and if they can continuously monitor and adequately interpret data coming from that equipment.

100 first signs: American Sign Language (ASL) This page contains links to about a hundred basic ASL signs that are frequently used between parents and their young children. Remember, there is much more to learning American Sign Language than just memorizing signs. ASL has its own grammar, culture, history, terminology and other important aspects. Monte Carlo method Monte Carlo methods (or Monte Carlo experiments) are a broad class of computational algorithms that rely on repeated random sampling to obtain numerical results; typically one runs simulations many times over in order to obtain the distribution of an unknown probabilistic entity. They are often used in physical and mathematical problems and are most useful when it is difficult or impossible to obtain a closed-form expression, or infeasible to apply a deterministic algorithm. Monte Carlo methods are mainly used in three distinct problem classes: optimization, numerical integration and generation of draws from a probability distribution. The modern version of the Monte Carlo method was invented in the late 1940s by Stanislaw Ulam, while he was working on nuclear weapons projects at the Los Alamos National Laboratory. Immediately after Ulam's breakthrough, John von Neumann understood its importance and programmed the ENIAC computer to carry out Monte Carlo calculations.

What's That Stuff? You might ask yourself... What's That Stuff? Ever wondered about what's really in hair coloring, Silly Putty, Cheese Wiz, artificial snow, or self-tanners? C&EN presents a collection of articles that gives you a look at the chemistry behind a wide variety of everyday products.

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