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As part of this series of Dukan Diet articles, a friend sent me this photo for inspiration: Before and after [Is it really the same person in both photos? I wonder because of the tightness of the skin in the second photo. Either way, it is still inspirational, and we will eventually find out about [...]
If you have money in the stock market and you were watching the market today, you know there were a few minutes where it looked like the market might be crashing right before your eyes. The Dow Jones Industrial Average had a huge downward spike, falling from the 10,600 range at 2:20PM down to a [...]
NASA takes a crack at one of the most important questions of the 21st century: How do we know that humans are causing global warming? Here is the answer: If Earth has warmed and cooled throughout history, what makes scientists think that humans are causing global warming now? The answer includes these points: 1) The [...]
A few days ago, several F-18s from the Finnish air force flew through a cloud of Icelandic volcano ash. And they have released photos of the damage, which you see here: PICTURES: Finnish F-18 engine check reveals effects of volcanic dust One aircraft’s engines have been inspected so far using a boroscope, with melted ash [...]
Chances are that you are sitting in a chair right now, so it seems like you are stationary. But in fact you are moving through the universe at a tremendous speed at this very moment. Let’s take a look at where all that motion is coming from. The first thing to consider is the earth’s [...]
Can you cook an egg in a paper frying pan over an open flame? The knee-jerk answer would be “no”, since everyone knows that paper bursts into flame over an open flame. But if you design the system right, you can turn a “no” into a “yes”, as shown here: This page lists the autoignition [...]
The following video shows off a new species of energy efficient robotic fish, capable of swimming using only 10 milliwatts of electricity: According to this page, a single alkaline AA battery produces 1.5 volts and, say, 2000 mAh. In other words, the battery is good for 3,000 milliwatt-hours. A 10 milliwatt fish could operate for [...]
Why are video games addictive? This article looks at five techniques that video game manufacturers now use to make their games addictive and keep people playing: 5 Creepy Ways Video Games Are Trying to Get You Addicted What does video game addiction look like? Several warning signs listed in the video: 1) Missing meals, showers [...]
If you have read How Power Grids Work, you know that power lines carry a lot of juice. This video demonstrates how much juice: There is so much voltage between the two wires that the branch becomes essentially a fuse wire that is vaporized. The arcing that occurs across the smoke is a plasma effect. [...]
Good question – why would a killer whale kill a human being?
by Marshall Brain | February 24, 2010
Yesterday at Sea World in Orlando, Florida, a domesticated killer whale killed a trainer. According to Richard Ellis, this is the first time a killer whale in captivity has killed a person like this (see first video)*. In fact, according to this article, killer whales in the wild don’t kill people either: “They have never [...]
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