Russia Ghost Town

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

Enhancing Strategic Discourse Systematically us...

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

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

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

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

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

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

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

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

Shooting a hockey puck

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

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

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

slow version of animated HR diagram fast versio...

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

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

Animation courtesy of The Virtual Telescope Pro...

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

Tools: Geometry and Time

Measure the Earth's Radius with a Stopwatch

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

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

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

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

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

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

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

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

Detecting gravitational waves

Observe an Iridium Satellite Flare

The Luge track

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

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

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