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How the Starfish Prime Nuclear Bomb Worked – blowing up the radiation belts for science by Marshall Brain | July 2, 2010 Imagine you are a scientist. In 1958 there is a big discovery – some of the very first satellites launched by the United States discover the Van Allen radiation belts. 20 brilliant things to make in a jar Via: Start saving your old jam jars! From cakes to herb gardens, pies to photo frames, and even entire meals … here are 20 fantastic things you never knew you could make with a jar.

12 Absolutely and Insanely Essential Utilities For Programmers In every era in recent times there has been one profession that for a short while you could enter without formal training. Autodidacts in the 19th century could read the law without recourse to formal education (see Abe Lincoln). In the early 20th century it was aviation. Protocols in multi-service networks People have always communicated with each other – initially by face-to-face communication through gestures and sounds, then over a distance through written messages and signals in the form of fires, lights or flags. Technology, for instance in the form of electrical signals, has reduced many of the limitations of distance. Communication networks have become very important, and modern society depends on them for the smooth operation of economic and social activities.

50 Kick-Ass Websites You Need to Know About It's time to update the entries in your browser's links toolbar. But with recent estimates putting the size of the internet at well more than 100 million distinct websites, it's getting harder and harder to get a handle on all the great stuff that's out there. That's why we've compiled this list. And unlike some lists you may have seen, which try to name the very "best" websites, but end up just telling you a lot of stuff you already know, we've chosen instead to highlight 50 of our favorite sites that fly under most people's radar. Think of it as the Maximum PC blog roll (remember those?). These sites represent great alternatives to popular web destinations like YouTube and Hulu, and include useful references, powerful web apps, and the unknown blogs you must absolutely bookmark.

How extreme isolation warps the mind Sarah Shourd’s mind began to slip after about two months into her incarceration. She heard phantom footsteps and flashing lights, and spent most of her day crouched on all fours, listening through a gap in the door. That summer, the 32-year-old had been hiking with two friends in the mountains of Iraqi Kurdistan when they were arrested by Iranian troops after straying onto the border with Iran. Accused of spying, they were kept in solitary confinement in Evin prison in Tehran, each in their own tiny cell.

DIY Roundup: 7 Fun, Summer DIY Fashion Ideas Beauty, DIY & Crafts, Fashion & Style The temperatures are scorching, and the bright sun is shining–which means there’s no better time to show off your sizzling sense of summer style. It’s time to get crafty! Teach Number Patterns & Relationships Using K-3 Math Manipulatives ↓ Skip to Main Content Home Resources Teacher Tools Numbers to Ten on the TenFrame Using a two by five array, the TenFrame supports the use of five as an anchor for early number sense.

40 websites that will make you cleverer right now The indexed web contains an incredible 14 billion pages. But only a tiny fraction help you improve your brain power. Here are 40 of the best. – Learn about our awe inspiring past all in one wonderful place. – Watch thousands of micro-lectures on topics ranging from history and medicine to chemistry and computer science. – Help end world hunger by correctly answering multiple-choice quizzes on a wide variety of subjects.

The Quest For Gnosis — Gabriel D. Roberts Those who have read my other works know that I came from fundamentalist Christian background; a mindset that clearly set boundaries of what I should and should not believe. This book may touch on some of those ideas in conversation, but will not be the primary focus here, instead the focus is upon equipping you with a new sense of wonder and understanding of just how big this omniverse is and just how amazing a part of it you can be. Though you will find the definition to vary within the pages of this book, the term Gnosis in its most basic form simply means knowledge. Going more deeply Gnosis means intrinsic knowledge of a mystical nature; something that is personal and experiential.

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