Google+: Letters of Note - We have a message from another world

And here is again another Letters of Note post from Daniel's official Googe+ page. Enjoy!

Letters of Note - Nikola Tesla was asked by the Red Cross to predict man's greatest possible achievement over the next century.

Here's the link: We have a message from another world

The Google+ link at this page is Dan's post shared via this site's Google+ page.

Photo: Google+/Daniel Radcliffe