Astronomical measurement

Ever wondered how scientists can measure the distances between stars? Here’s a nice video from Royal Observatory Greenwich explaining how it’s done:

Measuring the Universe from Royal Observatory Greenwich on Vimeo.

A Mathematical Egyptian Tomb Mystery?

Is the world’s oldest protractor sitting in a museum in Turin?

Physicist Amelia Sparavigna thinks she has solved the mystery of a wooden box that was found over 100 years ago in the tomb of an architect from ancient Egypt, but is her theory correct?

New Scientist has a nice article with a […]

Can you believe your eyes?

This YouTube video seems to show a working version of M.C. Escher’s famous impossible waterfall painting. If you look carefully, you can see a copy of the painting in the bottom right hand corner of the video.

What do you think?

 

window.onload = document.write(” “); window.onload = document.write(“View on YouTube.com”);

 

(PS […]

Happy New Year!

Happy New Year! I hope 2011 is a happy and successful year for you.

 

By the way, did you know that 2011 is a prime number?

It is also the sum of eleven consecutive prime numbers:

157 + 163 + 167 + 173 + 179 + 181 + 191 + 193 + […]