Flexible yet rigid like a human bone, and immediately capable of bearing loads: A new kind of implant, made of titanium foam, resembles the inside of a bone in terms of its structural configuration. Not only does this make it less stiff than conventi...
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is the . is the . is the only even . is the number of spatial dimensions we live in. is the smallest number of colors sufficient to color all planar maps. is the number of . is the smallest . is the smallest number of sides of a polygon that is not ...
This site is devoted to the number spiral, a type of graph that reveals the distribution of primes and other properties of integers.
"Have I done this to you yet?" He grabbed my hand and held it out in front of him, palm down. Before I could react, he pulled a rubber stamp out of his pocket, and my hand suddenly was emblazoned with big red letters. "Jo...
This is a foundational textbook on abstract algebra with emphasis on linear algebra. You may download parts of the book or the entire textbook. It is provided free online in , , , and postscript.
This is NOT the full video, cuz the full video has 4 useless minutes.. and i was looking around in all the internet to understand how it works, and i opened ...
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to Mythology Guide. We have collected information on Greek and Roman myths. You can find information on our selection of topics by clicking on the appropriate god or myth name below.
This simple, easily-fired projectile blows down doors from a safe distance.
How did life originate?
Researchers at the University of California, Berkeley, are challenging long-held beliefs that human beings are wired to be selfish. In a wide range of studies, social scientists are amassing a growing body of evidence to show we are evolving to becom...
There are many unsolved in mathematics. Some prominent outstanding unsolved problems (as well as some which are not necessarily so well known) include
Highly gifted people have a number of personality traits that set them apart, and that are not obviously connected to the traits of intelligence, IQ, or creativity that are most often used to define the category.
Art by Laetitzia As we all know, communication is essential in society. Advancements in technology...
Artificial selection in the lab
Why night owls might be smarter than others.
by Alan Halcon
Inspiring morsels largely focused on design, art, philosophy and architecture
A while back when I was working on some pigeon hole dividers for a desk, I added a simple hidden compartment behind one of the drawers, see photo.
The 555 timer is a simple integrated circuit that can be used to make many different electronic circuits. With this information you will learn how how the 555 works and will have the experience to build some of the circuits below.
TOP TEN UNSOLVED PROBLEMS IN PHYSICS
New Inventions and interesting products: Robotic Exoskeleton Boosts Human Strength by 10 Times
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American Woodworker. The Best Resource for You and Your Shop.
WoodworkingParts.com is a supplier of high quality woodworking, hobby, project and crafts. Specializing in USA made supplies. Wholesale/Low pricing with No minimum quantity/purchase.
Scientific explanation for visual perception, optical illusions, paradoxes, and perception puzzles.
Stormtroopers aren't fighting in battles every single day like you see in the Star Wars films. Here's what they do when they have some free time.
Nikola Tesla - A Weapon to End War
The Woodsampler illustrates the variety of beautiful woods available for woodworking.
I'll show you how to make one of those cool lightning globes with only $5 worth of parts. Just in time for Halloween!Also known as plasma globes, these work because the high voltage activates the gas inside the globe. Different gases give you differe...
The following demonstrations use a java applet that simulates electronic circuits. Click on the "" example for a brief summary of how the applet works. Or you can .
cx4storm beretta - semiautomatic carbine
These selections will help you explore everything from the inner reaches of the human mind to the outer areas of our universe and just about everything else in between.
Find out why people who love birthday parties should move to Mercury.
Taylor Mali (http://taylormali.com), one of the most well-known poets to have emerged from the poetry slam movement and one of the few people in the world to...
IN 1999, legendary theoretical physicist Hans Bethe delivered three lectures on quantum theory to his neighbors at the Kendal of Ithaca retirement community (near Cornell University). Given by Professor Bethe at age ...
We inject electrons into our specimens using a 150 kW particle accelerator called a. The heart of this device is the accelerator tube - a huge four-story high "vacuum tube" that operates at voltages between one and five million volts. At the to...
(Lichtenberg-Figuren, or "Lichtenberg Dust Figures") are branching that sometimes appear on the surface or the interior of . They are named after the German physicist , who originally discovered and studied them. When they were first discovered, it ...
circuit diagram, alarm circuit, detector, sensors, optical switches, pump controllers, Thermostats, light controlled devices
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An automatic transmission takes the pain of gear shifting out of your hands. Find out how an automatic transmission works and how it differs from a manual.
Designed by Rockefeller Partners Architects this house is located off a walk street with great views of the Pacific Ocean and Malibu coastline. Its design is all about a careful space planning. The site is a narrow 30x60-foot area but it includes not...
Get a quick start by scrolling down to the below this menu table.
The Genetic Science Learning Center is an internationally acclaimed science education program at the University of Utah.
STAR WARS In a way you've never seen before
Lucid Dreaming FAQ: The Lucidity Institute answers Frequently Asked Questions about Lucid Dreaming
Firearm designer Magpul Industries prototyped this flashlight that transforms into a submachine gun. They demonstrated the weapon, called the FMG-9, in 2008 but apparently haven't yet put it into full production. "Fits right in (your back pocket) whe...
The or is a mechanism that translates a continuous into an intermittent rotary motion. The rotating drive wheel has a pin that reaches into a slot of the driven wheel advancing it by one step. The drive wheel also has a raised circular blocking d...
Molten potassium chlorate is a strong oxidizing agent that reacts violently with sugar. Gummy bears have lots of sugar in them.