Гараа Угаах

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

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

Enhancing Strategic Discourse Systematically us...

Detecting gravitational waves

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

Animation courtesy of The Virtual Telescope Pro...

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

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

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

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

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

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

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

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

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

Tools: Geometry and Time

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

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

Shooting a hockey puck

The Luge track

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

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

Observe an Iridium Satellite Flare

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

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

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

slow version of animated HR diagram fast versio...

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

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

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

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

Measure the Earth's Radius with a Stopwatch

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

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

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