An Overview of Cryptography. As an aside, the AES selection process managed by NIST was very public. A similar project, the New European Schemes for Signatures, Integrity and Encryption (NESSIE), was designed as an independent project meant to augment the work of NIST by putting out an open call for new cryptographic primitives.
NESSIE ran from about 2000-2003. While several new algorithms were found during the NESSIE process, no new stream cipher survived cryptanalysis. As a result, the ECRYPT Stream Cipher Project (eSTREAM) was created, which has approved a number of new stream ciphers for both software and hardware implementation. Similar — but different — is the Japanese Government Cryptography Research and Evaluation Committees (CRYPTREC) efforts to evaluate algorithms submitted for government and industry applications.
They, too, have approved a number of cipher suites for various applications. A digression: Who invented PKC? 3.3. Let me reiterate that hashes are one-way encryption. The Right Way to Respond to Failure. My wife Eleanor and I were visiting some friends on a Saturday when their nine-year-old daughter, Dana*, came home. She was close to tears, barely holding it together. “Oh sweetie,” her mom said. “What happened at the swim meet?”
Dana is an excellent swimmer. She trains hard, arriving at swim practice by six most mornings and swimming some afternoons as well. And her efforts are rewarded; she often wins her events, scoring points for her swim team. It isn’t like that for all her endeavors. “I was disqualified,” she told us. We were in the foyer of the house and she sat down on the bottom stair of the staircase, her swim bag still on her shoulder, staring into space, almost expressionless. “Honey,” her dad said, “there are a lot more swim meets in the season. I told her, “The fact that you left the block prematurely means you were at your edge. “Every swimmer on every team has been disqualified at some point,” Eleanor said. Nothing we said seemed to have any impact on her.
Empathy. Almost. If You're Too Busy to Meditate, Read This. This morning, like every morning, I sat cross-legged on a cushion on the floor, rested my hands on my knees, closed my eyes, and did nothing but breathe for 20 minutes. People say the hardest part about meditating is finding the time to meditate. This makes sense: who these days has time to do nothing? It’s hard to justify. Meditation brings many benefits: It refreshes us, helps us settle into what’s happening now, makes us wiser and gentler, helps us cope in a world that overloads us with information and communication, and more.
How? Research shows that an ability to resist urges will improve your relationships, increase your dependability, and raise your performance. Our ability to resist an impulse determines our success in learning a new behavior or changing an old habit. As it turns out, that’s one of the things meditation teaches us. When I sat down to meditate this morning, relaxing a little more with each out-breath, I was successful in letting all my concerns drift away. Top Ten Myths About Evolution. Steven Dutch, Natural and Applied Sciences, University of Wisconsin - Green Bay First-time Visitors: Please visit Site Map and Disclaimer. Use "Back" to return here. 1. Humans Evolved From Monkeys Humans and great apes had a common ancestor about 5 million years ago Humans and monkeys had a common ancestor about 50 million years ago. Nowhere, except in the most illiterate anti-evolution literature, will you find a claim that humans evolved from monkeys. 2.
It’s Only A Theory “Theory” does not mean “hypothesis” or “guess” “Theory” means an organized set of related ideas. Number Theory is the branch of mathematics that deals with the properties of numbers. 3. If you find your house trashed and your TV and stereo missing, will you hesitate to call the police because nobody saw it happen? 4. Maybe not. 5. Critics of evolution are fond of citing Piltdown Man or Nebraska Man (actually the tooth of a fossil pig erroneously claimed to be human). 6. 7. 8. Are you a vegetable or mineral? 9. 10. 11. 47 Mind-Blowing Psychological Facts You Should Know About Yourself. I’ve decided to start a series called 100 Things You Should Know about People. As in: 100 things you should know if you are going to design an effective and persuasive website, web application or software application.
Or maybe just 100 things that everyone should know about humans! The order that I’ll present these 100 things is going to be pretty random. So the fact that this first one is first doesn’t mean that’s it’s the most important.. just that it came to mind first. Dr. <div class="slide-intro-bottom"><a href=" I want sparks & I want them NOW! Update May 2003 - Marx Three is now up & running Do you like the idea of tesla coils and other high-voltage sparking stuff, but don't have the time, money or patience to build something that elaborate? Here's a fun little project that can make big, fat, noisy sparks at least 2 inches long, and can be built very quickly and cheaply. The Marx generator consists of an array of resistors, capacitors and spark gaps arranged as follows: The capacitors, C, are charged up in parallel via the 1M (one megohm) resistors, so they each become charged to the input voltage.
When first (leftmost) spark gaps breaks down (sparks), the voltage across the next increases, causing it to break down, and so on for all the other gaps. When all gaps have broken down, the low impedance of the ionised air in the sparks effectively connects all the charged capacitors in series, multiplying the input voltage by the number of capacitors. Rb has a ballasting effect. Component choice Power supply "Marx Two" Power Supply. Electronic Circuits and Radio Control Gadgets, by VA3AVR.
How to Win Friends & Influence People. University of Reddit. /sci/ - Science & Math. Lucid Dreaming/Using. Dream stabilization[edit] Once you are able to dream lucidly, you may find that it is difficult to stay in the dream; for example, you may wake instantly or the dream may start “fading” which is characterized by loss or degradation of any of the senses, especially vision. Alternatively, a new lucid dreamer could easily forget that they are in a dream, as a result of the shock of the sensation.
Don't worry if you wake immediately after becoming lucid. As you gain more experience of becoming lucid, it will come as less of a shock and you’ll be less likely to wake up. Make sure you do a reality check to be sure you’re not still dreaming. As you gain more experience, you will have an easier time identifying when and remembering that you are dreaming. You can avoid more gradual fadings by stimulating your senses. Ideally you should be able to use the techniques below to stabilize your dream before it starts to fade (or “black out”).
Hand Touching[edit] Spinning[edit] Slowing it down[edit] Top 40 Useful Sites To Learn New Skills. The web is a powerful resource that can easily help you learn new skills. You just have to know where to look. Sure, you can use Google, Yahoo, or Bing to search for sites where you can learn new skills , but I figured I’d save you some time. Here are the top 40 sites I have personally used over the last few years when I want to learn something new. Hack a Day - Hack a Day serves up fresh hacks (short tutorials) every day from around the web and one in-depth ‘How-To hack’ guide each week.eHow - eHow is an online community dedicated to providing visitors the ability to research, share, and discuss solutions and tips for completing day-to-day tasks and projects.Wired How-To Wiki - Collaborate with Wired editors and help them build their extensive library of projects, hacks, tricks and tips.
Browse through hundreds how-to articles and then add to them, or start a new one.MAKE Magazine - Brings the do-it-yourself (DIY) mindset to all of the technology in your life.