Mystery portal update

There was a new Portal update that was recently released. Oddly enough it adds some encoded images and radio transmissions as well as a new achievement. Is this a hint at Portal 2? Currently no one has figured it out.

As usual, the game will be updated automatically. Hm? What’s that? There’s more to this than it simply being a minor nonsensical update? Oh, you’ve got a keen eye on you! Yes, a new achievement has been added as have additional content to the game itself and a mystery that nobody has yet to solve.

When you start up a game of Portal, you’ll notice that radio has a lovely new light attached to it. What’s been discovered thus far is the fact that if you take the radio to specific areas in the game, different Morse codes will be transmitted.