Showing 1-2 of 2 results
-
The Eruption's disruption
Learningpost, David Canavan, Published on 04/05/2010
» You would have to be living under a rock (or a volcano!) to not know about Eyjafjallajokull - pronounced EYE-ya-fyat-lah-YOH-kuht and means "island-mountain glacier" in Icelandic - the Iceland volcano that, at its peak, spewed huge amounts of ash into the atmosphere, grounding much of Europe's air travel. Today we will explore volcanoes, the effect of the Eyjafjallajokull eruption on global air travel and its dangers to aircraft.
-
Sonar
Learningpost, David Canavan, Published on 26/01/2010
» I have a question for you, the answer to which I will give you at the end of this article. You are on a boat looking for a school of fish when your sonar finally finds a school. It emits a "ping" that travels at the speed of sound, which is about 1,500 metres per second in water, and the reflected sound is received half a second later. Using the formula distance equals to speed multiplied by time, work out how deep the fish are, but be careful - there is a catch (pun intended).
Your recent history
-
Recently searched
-
Recently viewed links
Did you find what you were looking for? Have you got some comments for us?
