“You know, you can see it for miles – goes on for miles, over the hills and everything. But, so does the M6. Do you know what I mean? You can see that for miles. And you go, ‘Great. And that does a job. You can drive on that.’” Thus did an unimpressed Karl Pilkington of An Idiot Abroad describe the Great Wall of China, allegedly the only manmade object visible from space.
Which raises and interesting question: Why can’t you see the British M6 motorway from space? Or can you? For that matter, can you actually see the Great Wall?
Sometime around Halloween 2011, the global population topped seven billion. That’s a staggering number of people. In fact, linked arm to arm, a human chain would wrap around the equator roughly 175 times or extend to the moon and back about nine times, according to CBC/Radio-Canada.
Bearing this image in mind, we can be forgiven for believing that there are more humans roaming the Earth today than during all of history and prehistory combined. But is it true?
They say you can’t un-break what’s broken, un-see what you’ve seen or put the toothpaste back in the tube. But can you un-shake a can of soda? More to the point, does tapping the top, slapping the sides or flipping the can end-over-end make a difference?
I’ll tell you what I found out, but some of you might not like the answer ….
In case you’re wondering, yes, microwaves are magic and, yes, they are trying to kill you. Take that seemingly innocuous cup of water that you just heated for your afternoon tea. Shouldn’t that be bubbling by now? After all, you nuked it for an awfully long time.
Come to think of it, what do you really know about that microwave?
The rumor that water in public swimming pools is treated with a chemical that turns urine purple or red is tailor-made for kids, to whom any embarrassment-based technology sounds plausible, especially coming from adults.
Read on to find out if this story holds water, or if it’s all wet.