Editor’s Note: Nerd Notes is GeekWire’s roundup of random geekiness from around the globe.

3-D Pen: A new pen called the “3Doodler” will allow you to draw in 3-D. The $75 gadget is basically a 3-D printer in the form of a pen. It heats and cools plastic ink, giving users the freedom to draw real objects freehand.

Smallest planet: Using the Kepler telescope, researchers found what they think is the smallest exoplanet ever discovered. The planet, named Kepler-37b, orbits its star in a mere 13 days.

Sing! Karaoke: Ever wanted to do a duet with someone across the globe? Now you can with Sing! Karaoke, a free iPhone and Android app that allows users to choose from a wide variety of popular songs and either perform it solo or with a partner.

An attachable gaming joystick for iPads.

For the true geeks: Check out this attachable gaming joystick for iPads from ThinkGeek. Now you can play Pac-Man just like you did in the olden days.

Steve Ballmer talks tech: MIT Technology Review did a Q+A with Steve Ballmer. Hear the Microsoft CEO talk about the quirks in the company’s new operating system.

Theater Geeks: Photograph 51, a play about the discovery of DNA’s double helix structure, will run through March 10 at the Seattle Repertory Theatre. If you have an Instagram account, you can also enter the production’s contest here.

Bradford Farwell and Kirsten Potter in Photograph 51. Photo: Alan Alabastro

 

 

 

 

 

 

 

 

 

 

Harlem Shake: A Harlem Shake video to end them all. Enough said.

Previously on GeekWire: Nerd Notes: Superhero economics, a Harlem Shake bookmarklet and playlists that adjust to your mood

Reach Lily Katz at lily@geekwire.com or on Twitter @LilyKatz

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