מערכת מים Loon

The Luge track

Detecting gravitational waves

So, let's move the student farther away.(Click ...

(Click the image below to watch Red-Navy-time m...

I've exaggerated the actual shifts by a factor ...

To make things EVEN simpler,let's assume that t...

All the waves we've seen so far havenot moved.W...

Look at the time between two successive peak po...

Animation courtesy of The Virtual Telescope Pro...

The other half of the time (25% overall), theph...

Enhancing Strategic Discourse Systematically us...

Click on each picture to see an animated sequen...

Now, suppose light acts like a wave instead.If ...

So, putting it all together, if light behaves l...

The spherical mini-waves expand outward and ove...

slow version of animated HR diagram fast versio...

Copyright © Michael Richmond.This work is licen...

Now, watch again as I put one of the little pha...

Measure the Earth's Radius with a Stopwatch

Now, watch again as I put one of the little pha...

Now, what happens if we watch the ropeover a lo...

Copyright © Michael Richmond.This work is licen...

What happens is that a small section of the pla...

For example, consider a ball rolling towards a ...

Click on the picture above to blink the two ima...

Shooting a hockey puck

Day 1 - 80 Click on the graph to see what happens.

Since 50% of the photons from the laser will pa...

Day 401 - 500 Click on the graph to see what ha...

Deep inside some stars,the conditions --- tempe...

Observe an Iridium Satellite Flare

It might help to answer a few simple questions....

Joe then hops onto the Green Navy ship Green Fl...

Tools: Geometry and Time

Here are the ships of the Red Fleetwhich happen...