It is likely that you have walked around a cold house barefoot at some time or another in your life. If so, you will probably have noticed that under such conditions, carpeted floors feel warmer to walk on than tile.
It should be clear that this is the case even when there is absolutely no difference between the actual temperatures of the various stretches of flooring. So why do we perceive a difference?
Motion pictures are a wonderful entertainment, but we should never forget that they provide an imitation of reality, rather than a reliable model. There are many possible examples of this to choose from, but let us select one of the simpler ones.
It is comparatively common, in movies, to see some unfortunate character fall from a cliff or very high building. This fate is invariably accompanied by a long scream of terror, which gets steadily fainter as the doomed victim plummets away.
What is the error commonly encountered with this sound effect?
Best of luck to solve this one and as always, the answers are in the comments.
Your ability to think logically is the only thing being tested in this trial.
Five friends are in a café, discussing their musical tastes. Using the information given below, can you find the name of the espresso drinker?
-Steve is drinking cocoa, but he is not the person who likes rock, who is wearing red. -The latte drinker is wearing black and does not like pop or classical. -One person is wearing green. -Bruce is not drinking cappuccino. -Megan is not drinking cappuccino either, and she doesn’t like rock. -Tea is being drunk by the country fan, who is not wearing cream. -Diana likes electronicica. -Joan is wearing blue, and does not like country or classical.
Hello my dear Sherlocks, Einsteins, and other puzzle solvers. You’re probably all cooped up and sick of your family at this point, and need something to keep morale up.
Well, I got just the thing for you.
As always, the solution to the riddle is in the comments.
The mathematics of infinity can be startlingly beautiful. It can allso be just plain startling.
Consider the natural numbers – 1, 2, 3, 4, etc. They are infinite; any number you can conceive of can be increased. Now consider the even natural numbers – 2, 4, 6, 8, etc. These also obviously extend to infinity.
So if you compare the set of all natural numbers with the set of all even natural numbers, which is larger?