Гар Худаг

Shooting a hockey puck

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

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

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

Tools: Geometry and Time

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

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

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

Animation courtesy of The Virtual Telescope Pro...

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

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

Detecting gravitational waves

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

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

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

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

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

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

Enhancing Strategic Discourse Systematically us...

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

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

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

Observe an Iridium Satellite Flare

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

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

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

slow version of animated HR diagram fast versio...

The Luge track

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

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

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

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

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

Measure the Earth's Radius with a Stopwatch

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