Riu Palace Sunny Beach Bulgaria

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

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

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

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

Tools: Geometry and Time

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

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

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

Shooting a hockey puck

The Luge track

slow version of animated HR diagram fast versio...

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

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

Animation courtesy of The Virtual Telescope Pro...

Detecting gravitational waves

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

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

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

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

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

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

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

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

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

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

Observe an Iridium Satellite Flare

Enhancing Strategic Discourse Systematically us...

Measure the Earth's Radius with a Stopwatch

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

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

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

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

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

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

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