文章列表

• 1.时差N小时 钻石的年龄(上)
• You walk into a fancy party. What is the oldest thing there? No, not your in-laws, or even your grandparents. It will be a diamond someone is wearing....
• 2.时差N小时 为何孕妇需要远离交通繁忙区域?(下)
• Its not clear why, exactly, heavy traffic could cause premature birth. Air pollution from car exhaust could have something to do with it. Some studies...
• 3.时差N小时 为何孕妇需要远离交通繁忙区域?(上)
• Ideally, pregnant women should do everything they can to have a full term pregnancy, because babies born even a few weeks early risk being less health...
• 4.时差N小时 风力发电机(下)
• Turbines with one or two blades are actually even more efficient. But because theyre also lighter and tend to spin faster, theyre also noisier. These ...
• 5.时差N小时 风力发电机(上)
• If youve ever driven by a wind farm, you may have noticed that the turbines most likely have three blades. Not two, not five, but three. Now, you may ...
• 6.时差N小时 为什么马的腿很细?(下)
• Then that foot stops and the other one accelerates. And so on. Thinner, lighter things are easier to accelerate than heavy, massive ones. So if you wa...
• 7.时差N小时 为什么马的腿很细?(上)
• Why horses have skinny legs? Whats the use of a skinny leg? The answer is Running. The skinniest lower legs belong to the fastest runners. Think of ho...
• 8.时差N小时 有钱就一定幸福吗?
• Does money make us happy? Well, according to that famous Beatles song, no: Money Cant Buy Me Love. But, of course, the Beatles also had a hit with the...
• 9.时差N小时 箱子底部的玉米薄片为什么不会被压碎(下)
• The friction between the flakes is the same force that causes sand to form a pile rather than spread out like a puddle. In fact, this same principle a...
• 10.时差N小时 箱子底部的玉米薄片为什么不会被压碎(上)
• Why dont the cornflakes at the bottom of the box get crushed by the weight of the flakes on top? Thats the question on this Moment of Science. Researc...