Гагра Фото

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

Animation courtesy of The Virtual Telescope Pro...

Observe an Iridium Satellite Flare

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

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

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

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

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

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

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

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

Tools: Geometry and Time

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

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

Enhancing Strategic Discourse Systematically us...

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

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

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

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

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

Shooting a hockey puck

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

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

Detecting gravitational waves

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

The Luge track

Measure the Earth's Radius with a Stopwatch

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

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

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

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

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

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

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

slow version of animated HR diagram fast versio...