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Popsci has posted 2009's most amazing scientific images, and there's quite a few great ones in there. A few of our favorites below, click through for all 62. In short, Cow Farts. "Scientists measure methane at the source: In a lush pasture near Buenos Aires, this cow and its compatriots are digesting important information: how much methane—a gre...
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The scientific method is the backbone of all rigorous scientific inquiry. A set of techniques and principles designed to advance scientific inquiry and further the accumulation of knowledge, the scientific method has been gradually developed and honed by everyone from the philosophers of ancient Greece to the scientists of today. While there are...
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Scientists have recently released a mathematical breakdown of the perfect handshake. The University of Manchester researchers discovered that nearly one-in-five people hate the handshake, listing complaints such as sweaty palms, limp wrists, gripping too hard and no eye contact. Professor Geoffrey Beattie says: "The human handshake is one of the...
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Try out this science experiment... watch this video tutorial to learn how to illustrate the scientific concept of conservation of mass. This is purely educational, and not as exciting as some other demonstrations, but this does clearly illustrate the concept of conservation of mass.
When compounds react, no atoms are created or destroyed. Thi...
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Learn how to convert from scientific notation to standard form by watching the above math video.
To change a number from scientific notation to standard form, move the decimal point to the left (if the exponent of ten is a negative number), or to the right (if the exponent is positive). You should move the point as many times as the exponent ...
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Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra two-part lesson on scientific notation. Find out what scientific notation actually is, and see how to work with it.
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In this video we will learn about algebra SCIENTIFIC NOTATION and STANDARD FORM. Watch the above math video to learn how to change large numbers from standard form to scientific notation.
To change a whole number that is greater than one from standard form to scientific notation:
• Copy all the nonzero digits and the zeros that are between...
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Confused about scientific notation? In this informative video, Doug Simms from free math tutoring helps you work with large numbers more efficiently by converting them into scientific notation. Let this expert walk you through easy to understand marker board examples covering all of the basics of scientific notation, including exponents, decimal...
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The scientific method is one of the great constructs of modern academic thought. If followed rigorously it makes science as accurate as any general procedure can make it. Watch this video to learn the steps of the method and how to use it to conduct your own experiments.
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Here are some simple and fun tricks you can do at home with candles to astound and impress your friends and family. Create an extinguisher using baking soda and vinegar, use smoke to relight a candle and create a vacuum using a candle.
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New to Excel? Looking for a tip? How about a tip so mind-blowingly advanced as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 477th installment in their series of digital spreadsheet magic tricks, you'll learn how to prevent Excel from displaying a 13-digit number ID in scientific notation using the numb...
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See how to express very large and very small numbers using scientific notation with this free video math lesson from Internet pedagogical superstar Simon Khan. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier t...
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Magically get a hardboiled egg into (and out of) a bottle, make a star using toothpicks and challenge someone in a brain teaser using wooden matches. Mr. G demonstrates how in this video tutorial and, for all the eager students whose brains are brimming with curiosity, explains the science behind it all.
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In this video from DavidWygant he teaches how to speak to women without scientific methods. He shows us how to talk to women without using pickup lines. Pickup lines are causing you to lose women. You just have to talk like you usually talk. Talk to a woman like you talk to anyone. If you are comfortable with yourself you will make others comfor...
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Need to know how to convert between scientific and decimal notation? Learn how with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just ...
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Christian gives you a scientifically proven method to help you be happier. It is a simple method that involves thinking about the three things that you are most appreciative of right before you go to sleep. As you think of these things, you need to write them down. The last thing that you think of at night gets stored in your long term memory an...
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Interested in converting numbers both into and out of scientific notation? This free video lesson will teach you everything you'll need to know. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to fol...
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This video walks you through on how to apply scientific notation. This excellent video shows you a clean blackboard, with the instructors voice showing exactly what to do. Don't fret, any question you may have, will be answered. Watching this video will make you feel like your back in the classroom but rather comfortably from your home.
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C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
This video tutorial will show you how to make oxygen from permanganate and hydrogen peroxi...
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Jem Stansfield from BBC's Bang Goes the Theory has "put scientific theory to the test" with his Vortex Cannon. Filmed at 1300-fps, you can see the cannon knock down three different houses made of straw, stick, and brick with an explosive vortex ring. The vortex ring that comes out is not smoke, however. After detonating the explosive gas mixture...
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As 2009 comes to a close, the Telegraph presents a compilation of this past year's wackiest inventions. As always, here at WonderHowTo, we are inspired and impressed by ingenuity. The contraptions below range from utter silliness (engagement ring bra) to downright amazing (see-through concrete). Check it out. "A Chinese man called Mr Bi has trai...
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In recent years, Russian marine biologist Alexander Semenov has built a stunningly beautiful collection of deep sea photography, capturing alien creatures only locatable in the hostile, icy depths of the far northern sea off the coast of Russia. A brave art world denizen might surmise that the beauty of Semenov's images rivals those of the great...
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!!! READ THIS FIRST !!!
- 4 april 2009 -
First of all: make sure that you're using FlashPlayer version 9 - A usefull tool to switch from version at any time is FlashSwitcher get it here: http://tinyurl.com/55up92
Howto:
Buy an apple in the foodstore.
Setup Cheat Engine: http://tinyurl.com/d5f6zo
Tick HEX and the value is: "840FFF85...
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Have you ever heard symmetrical is sexier? Yep, according to scientists, symmetry is inherently more attractive to the Homo Sapien eye. Back in the days of Helen of Troy, Phidias, Plato and other great philosophers all observed the golden ratio, "a sum where the quantities to the larger quantity is equal to the ratio of the larger quantity to th...
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For some reason, McDonald's hamburgers are mysteriously unsusceptible to Mother Nature's inevitable toll of decomposition. Yep, you pretty much have to dip a McDonald's cheeseburger in acid if you want it to decompose. So we're left with the question: Why? Why does a McDonald's hamburger retain its original shape, color and texture after 12 year...
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C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
This video tutorial will show you how to make thunder in a test tube with ethanol and acet...
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So very pointless, yet unquestionably spectacular. The best kind of "art" performs no other function than to delight the viewer, and Japanese YouTube user Denha's complex marble machines do just that. But are marble machines art? You can call them that—or toys, scientific contraptions, engineering feats—but however you choose to label them, the ...
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Making bread from scratch is extremely difficult. Painstakingly following instructions does not necessarily guarantee successful results. Baking delicious homemade bread takes practice, skill, and frankly, a level of real culinary artistry. Enter the no-knead method. First popularized by Jim Lahey, owner of Manhattan's Sullivan Street Bakery, th...
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to perform thin-layer chromatography in the chemis...
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The best part of science class for many was the awesome demonstrations and experiments teachers use to demonstrate scientific principles. This video will teach you how to capture some of that magic by performing ten awesome science party / magic tricks, like relighting a match with smoke and rolling a can around on it's rim.
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It's best known as a children's toy, but kids aren't the only ones who can appreciate the unique and marvelous properties of Silly Putty. It's an incredibly fun silicone polymer that almost seems like a scientific anomaly, thanks to its viscoelastic non-Newtonian flow. This amazing dilatant fluid can be stretched, torn and mashed back together, ...
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If you happened across our radiation survival guide, you'd know that one of the most valuable lines of defense against radioactive particles is potassium iodide. In the United States, west coasters have quickly depleted the supply of potassium iodide tablets, which leaves anyone still looking without emergency defense against harmful toxins. Rel...
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to use a Bunsen burner in the chemistry lab. The B...
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I spent most of my life locked in my bedroom, miserable about my raging acne. ~~ Moon Unit Zappa Acne vulgaris (commonly called acne) is a skin disease caused by changes in the pilosebaceous units. So that's the scientific definition of acne . But we all know what acne is and how embarrassing it is. There is nothing worse than waking up in the m...
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Have you always wanted to know how to take proper care of a Whites Tree frog? If so, please continue reading for what you need, steps, and lots of photos! Purchase a Whites Tree frog. The pricing of a White's will vary. In general, the price ranges from $10 to $40 (US). Get a housing setup ready. Adult Whites Tree frogs need at least a 30 gallon...
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Make a reusable glow stick, glow-in-the-dark-style! Imagine, you'll never have to buy one of those ChemLite's again, because you can reuse this homemade glow stick over and over again. This video tutorial will show you how to make a permanent, reusable glow stick. The materials in this experiment are simple: epoxy resin, straw, and some phosphor...
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to perform separation by decantation in the chemis...
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to perform paper chromatography in the chemistry l...
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NASA just released this beautiful image of what's leftover from a supernova explosion. The red cloud is expanding cosmic debris, the blue is a blast wave of electrons, and the stripes at the edge tell of a high energy burst of x-rays that may be bound for earth. This image was enhanced—Photoshopped—so that scientists can have an easier time inte...
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Love folk art but could do without the folk? Prepare to have your heart stolen by a self-folding origami automaton. Scientific American writes, "Researchers at Harvard University and the Massachusetts Institute of Technology (M.I.T.) have invented a real-life Transformer, a device that can fold itself into two shapes on command." "The system [.....
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Before there was Gray's Anatomy, physicians and medical students used anatomical flap books to explore the inner workings of the human body—a scientific illustrated guide that takes its name from the moveable paper flaps that can be "dissected" to reveal hidden anatomy underneath. Similar to pop-up books, these instructional tools mimic the act ...
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to perform centrifugation in the chemistry lab. As...
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Well, maybe not a real invisibility cloak—sorry Harry Potter fans—but a team of scientists at MIT's SMART Centre are on their way to producing materials that mimic actual invisibility. Like something straight out of an H.G. Wells novel, scientists are using materials to refract light around an object using blocks of calcite crystal. I could get ...
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NASA has invented the T-RAD Device, a.k.a. Goo Gun. Astronauts aboard the STS-120 will test the effectiveness of the pre-ceramic polymer in its ability to repair damaged shuttle tiles. To make connections to the mission, in this video tutorial, Dr. Diana teaches you how to make your own silly putty, also a polymer, at home.
So, to make your o...
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This video has generated half a million views and quite the comment stream on YouTube. A paper airplane is placed between two fans, and suspends in the air for some time. The comments predominately charge that the action is "fake" (has a wired been suspended?). The video is an art project by Camille Laurelli. Hard to tell, because her blog is in...
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to perform titration with a burette in the chemist...
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Human anatomy is something every physician must undergo as a medical student. Some move on to become great doctors, some move on to become great artists, helping to better educate students and improve upon many illustrated representations of the human body since the days of medieval medicine. But thankfully, you don't have to be in the medical p...
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PopSci has compiled an amazing list of 30 college labs that would tempt anybody to re-enroll. If you know any high school juniors or prospective grad students, pass this along. They just might reconsider their initial choices. 30 courses are pictured below, click through to PopSci's 30 Coolest College Courses in the Country for descriptions. Mis...
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to use a volumetric flask in the chemistry lab, fo...
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The X-Ray Vision-aries Blog has compiled a list of YouTube's 100 Coolest Science Experiments. I particularly enjoy their introduction to the selection: "Although YouTube has something of a reputation as a repository for the inane mental diarrhea of stunted man-children injuring each other for cheap laughs or shrill teenage drama queens shrieking...
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Stephen Hawking asks: "is time travel possible? Can we open a portal to the past or find a shortcut to the future? Can we ultimately use the laws of nature to become masters of time itself?" The master of the universe writes into Daily Mail, and proposes a "HowTo" for time travel. According to Hawking all you'll need is: 1 wormhole 1 large Hadro...
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to perform vacuum filtration in the chemistry lab....
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to use an electronic balance in the chemistry lab....
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Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Watch this video on how to use a volumetric pipette and filler in the chem...
