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Here is a web site developed by person who was interested in having the sounds of wildlife, especially birds, when he opened programs/files, etc. He turned this passion into a web site which features bird songs and wildlife songs especially it "sounds" from the SW United States (where he lives) and Costa Rica where he now goes to record. The site address is http://www.naturesongs.com

RUDOLPH, THE RED-NOSED LASER
Was a sight for you to see
It only could make red light
And of just one frequency

Excited helium atoms
With neon atoms did collide
When they decayed to ground states
Then the red light was supplied

All the waves went up and down
As if in lock step
When two laser beams drew near
Interference did appear

The light was collimated
And would never ever stray
That’s why on foggy Christmas
Rudolph guided Santa’s sleigh.

1. The rolling boulder crashing down the mountain That’s Kinetic Energy
The boulder sitting high up on the mountain —
That’s Potential Energy

Chorus. Energy in motion is Kinetic
Energy that’s waiting is Potential
But whether it’s Kinetic or Potential
Both of them are energy! (Ole!)

2. You stretch a rubber band and then release it —
That’s Kinetic Energy
You stretch a rubber band and then you hold it —
That’s Potential Energy

3. The heat that comes when gasoline is burning —
That’s Kinetic Energy
The energy that gasoline has stored up —
That’s Potential Energy