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

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

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

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

Measure the Earth's Radius with a Stopwatch

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

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

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

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

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

slow version of animated HR diagram fast versio...

Tools: Geometry and Time

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

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

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

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

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

Enhancing Strategic Discourse Systematically us...

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

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

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

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

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

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

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

The Luge track

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

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

Observe an Iridium Satellite Flare

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

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

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

Detecting gravitational waves

Animation courtesy of The Virtual Telescope Pro...

Shooting a hockey puck