hearing
edyong | November 25, 2009What part of the body do you listen with? The ear is the obvious answer, but it's only part of the story - your skin is also involved. When we listen to someone else speaking, our brain combines the sounds that our ears pick up with the sight of the speaker's lips and face, and subtle changes in air movements over our skin. Only by melding our senses of hearing, vision and touch do we get a full impression of what we're listening to.
When we speak, many of the sounds we make (such as the English "p" or "t") involve small puffs of air. These are known as "aspirations". We can't hear them,…
neurophilosophy | May 11, 2009Music can be thought of as a form of emotional communication, with which the performer conveys an emotional state to the listener. This "language" is remarkably powerful - it can evoke strong emotions, and make your heart race or send tingles down your spine. And it is universal - the emotional content of a piece of music can be understood by anyone, regardless of cultural background.
Are the emotions evoked by piece of music similar to, and can they influence, other emotional experiences? The answer to these questions is unclear. But a new study, which has just been published in…
sporte | May 6, 2009We always enjoy home science experiments and it was fun the other night to learn about a new experiment we could try with our teenage daughter and an iPhone.
As it turned out, the joke was on us.
My husband is an enthusiastic fan of the iPhone store. Last night, he downloaded this application called "Army Knife."
This application has, I kid you not, the following nine items:
unit converter - these are always helpful, especially if you travel
ultrasonic whistle
protractor
Heart (beats per minute) counter
measuring tape
digital caliper
Two levels
flashlight
emergency SOS light
Some of these…