scuba diving
rallain | March 22, 2010This is a topic that I am going to talk about in my physical science class. Might as well make a post about it, right?
Here is the deal. You are in a pool. You drop a quarter in the deep end and swim down to get it. I know the first thing you are going to ask: Why do I have a quarter in the pool? Does it matter. What matters is that your ears are killing you. Boy, that hurts. Why do your ears hurt and what can you do about it?
Pressure and depth
When you put a fluid in a gravitational field (like on Earth), the pressure in that fluid (or gas) increases as you go down. Why? There are…
grrlscientist | March 23, 2008tags: The Human, the Orchid, and the Octopus, marine biology, environment, conservation, Jacques Cousteau, Susan Schiefelbein, book review
. . . I am a part of all that I have met;
Yet all experience is an arch wherethro'
Gleams that untravell'd world whose margin fades
For ever and forever when I move . . .
. . . . . . . . . . . .
The lights begin to twinkle from the rocks;
The long day wanes: the slow moon climbs: the deep
Moans round many voices. Come, my friends,
'Tis not too late to seek a newer world . . .
"Ulysses"
Alfred, Lord Tennyson
In the ten years before he died, world-famous…