Гагра Семашко

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

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

Detecting gravitational waves

Tools: Geometry and Time

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

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

Enhancing Strategic Discourse Systematically us...

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

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

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

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

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

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

Animation courtesy of The Virtual Telescope Pro...

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

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

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...

Shooting a hockey puck

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

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

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

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

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

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

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

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

slow version of animated HR diagram fast versio...

The Luge track

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

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

Observe an Iridium Satellite Flare

Measure the Earth's Radius with a Stopwatch

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