We don't live in a simulation

In 2011, I already wrote a text about the theories that our universe is a computer simulation: Rebooting the Cosmos Needless to say, a regul...

Feed URLs for blog categories

This is a purely technical blog entry. Magnus Andersson asked me to create a feed with the climate articles only. Blog posts on this blog ar...

U.N. vaguely votes to vaguely censor the Internet

ITU has made the first vote of the U.N. countries on whether or not the governments want to make the Internet more regulated and censored. ...

December 3rd: ITU, U.N. could end the free Internet

Lots of worried voices have claimed that various large corporations such as Microsoft, Google, or others would restrict the freedom of the e...

A slower speed of light: MIT relativistic action game

In the past, this blog focused on relativistic optical effects and visualizations of Einstein's theory: special relativity (download Re...

Livescribe Smartpen

I just learned from Technet , a Czech sci-tech server, about the Livescribe Smartpen – something I've never seen before even though it h...

Symbolab: search engine for equations in LaTeX

Google is the dominator when it comes to general searches. Wolfram Alpha is an intelligent calculator of answers to your questions. There...

Street View: Antarctica, deep ocean, Alps, Mars, etc.

If you haven't played with Google Maps for some time, you may want to try some of the wonderful links below. Note that the Street View a...

Smileys: 30 years

On Wednesday, it will have been 30 years since the birth of the smiley emoticons. You probably don't know who invented them. Well, here ...

Global spam dropped 50% in two days

Grum has been demolished, Lethic harmed I've never considered spam to be one of the greatest problems. Even when my primary e-mail accou...

Stephen Wolfram on Higgs, particle physics

A Moment for Particle Physics: The End of a 40-Year Story? Guest blog by Stephen Wolfram , a trained particle physicist, entrepreneur, and s...

Microsoft Surface: serious about details of hardware

A few weeks ago, I downloaded Windows 8 Release Preview and tested it inside the VirtualBox : here's how . It's a great Windows ope...

TRF mobile template may be right for you

In recent two weeks, the template of this blog has undergone a larger number of changes than it did in previous 3 or so years combined. What...