50 Riddles. Everybody Jump. What would happen if everyone on earth stood as close to each other as they could and jumped, everyone landing on the ground at the same instant?
—Thomas Bennett (and many others) This is one of the most popular questions submitted to this blog. It’s been examined before, including by a ScienceBlogs post and a Straight Dope article. They cover the kinematics pretty well. However, they don’t tell the whole story. Let’s take a closer look. At the start of the scenario, the entire Earth’s population has been magically transported together into one place. This crowd takes up an area the size of Rhode Island. At the stroke of noon, everyone jumps. As discussed elsewhere, it doesn’t really affect the planet. Next, everyone falls back to the ground. Technically, this delivers a lot of energy into the Earth, but it’s spread out over a large enough area that it doesn’t do much more than leave footprints in a lot of gardens.
Eventually, the air grows quiet. Seconds pass. The T. Lateral Thinking Puzzles. Lateral thinking puzzles that challenge your preconceptions. 1.
You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus: 1. An old lady who looks as if she is about to die. 2. An old friend who once saved your life. 3. Brain Training. Web-based personalized training program Enhance memory and attention Improve your productivity Train your brain with 'serious fun' games Games selected to your cognitive profile Empower Your Brain Play brain training games to improve: memory concentration thinking speed Benefits at work, home, and school: performance pleasure self-confidence Success Stories "It is an excellent game for memory, which I really need!
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“Music helps me concentrate,” Mike said to me glancing briefly over his shoulder.
Mike was in his room writing a paper for his U.S. History class. On his desk next to his computer sat crunched Red Bulls, empty Gatorade bottles, some extra pocket change and scattered pieces of paper. In the pocket of his sweat pants rested a blaring iPod with a chord that dangled near the floor, almost touching against his Adidas sandals. On his computer sat even more stray objects than his surrounding environment. Mike made a shift about every thirty seconds between all of the above. Do you know a person like this? The Science Behind Concentration In the above account, Mike’s obviously stuck in a routine that many of us may have found ourselves in, yet in the moment we feel it’s almost an impossible routine to get out of. When we constantly multitask to get things done, we’re not multitasking, we’re rapidly shifting our attention. Phase 1: Blood Rush Alert Phase 2: Find and Execute. 5 Ways To Hack Your Brain Into Awesomeness.
Much of the brain is still mysterious to modern science, possibly because modern science itself is using brains to analyze it.
There are probably secrets the brain simply doesn't want us to know. But by no means should that stop us from tinkering around in there, using somewhat questionable and possibly dangerous techniques to make our brains do what we want. We can't vouch for any of these, either their effectiveness or safety. All we can say is that they sound awesome, since apparently you can make your brain... #5. So you just picked up the night shift at your local McDonald's, you have class every morning at 8am and you have no idea how you're going to make it through the day without looking like a guy straight out of Dawn of the Dead, minus the blood... hopefully. "SLEEEEEEEEEP... uh... What if we told you there was a way to sleep for little more than two hours a day, and still feel more refreshed than taking a 12-hour siesta on a bed made entirely out of baby kitten fur?