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Meet Sarcastic Mars Rover, now on Twitter, doing a science all over your everything.
Meet your new twitter friend.
Bone conduction audio, retainers, and shiny hip-hop teeth grills aren’t new inventions, but tech hacker Aisen Caro Chacin had the clever idea to put them all together.
The Play-A-Grill MP3 player prototype fits in your mouth like a retainer, shines on the outside like a precious metal rap grill, and plays music through bone conduction through your teeth.
Oh man, this would have made puberty just a touch cooler. Maybe.
Irritatingly, my G1 won't show me PDFs so I've made the Google Docs PDF viewer which will load PDFs on the web up in Google Docs. Google Docs has the useful ability to display PDFs in web browsers without any Adobe software and works (mostly) on Android.
This was very easy to put together as an Android activity. First its necessary to register the application as handling PDFs from the web. This is done via the intent-filter declaration in the manifest:
The action part says my activity will view PDFs, the data part says it accepts data with the PDF mime-type and with a URL that has an HTTP scheme. The browsable category is necessary to allow links from a browser to open this activity.
intent-filter action android:name="android.intent.action.VIEW"/ data android:scheme="http" android:mimeType="application/pdf"/ category android:name="android.intent.category.DEFAULT"/ category android:name="android.intent.category.BROWSABLE"/ /intent-filter
Second, the activity opens up the browser to Google Docs pointing to the PDF.
This is very simple code to invoke a new intent browsing to a newly constructed URL for the PDF in Google Docs. That was easy.
Intent intent = new Intent(); intent.setAction(getIntent().getAction()); intent.setData(Uri.parse( "http://docs.google.com/gview?embedded=true&url=" + percentEncodeForQuery(getIntent().getData().toString()))); startActivity(intent);
I was reading Makers, Cory Doctorow's latest novel, as it was serialized on Tor's website but with no ability to save my place within a page I set out to find a book reading app for my G1 Android phone. I stopped looking once I found Aldiko. Its got bookmarks within chapters, configurable fonts, you can look-up words in a dictionary, and has an easy method to download public domain and creative common books. I was able to take advantage of Aldiko's in-app book download system to get Makers onto my phone so I didn't have to bother with any conversion programs etc, and I didn't have to worry about spacing or layout, the book had the correct cover art, and chapter delimiters. I'm very happy with this app and finished reading Makers on it.
Makers is set in the near future and features teams of inventors, networked 3d printers, IP contention, body modifications, and Disney -- just the sort of thing you'd expect from a Cory Doctorow novel. The tale seems to be an allegory for the Internet including displacing existing businesses and the conflict between the existing big entertainment IP owners and the plethora of fans and minor content producers. The story is engaging and the characters filled out and believable. I recommend Makers and as always its Creative Commons so go take a look right now.
I like the idea of QR codes, encoding URLs and placing them on real world objects, but the QR codes themselves are kind of ugly. To make them less obvious I thought I could spray QR codes on to an object with an infrared reflective paint and shine infrared light on the QR codes, since most cameras, for instance the camera in my G1 phone, pick up infrared that our eyes do not.
In looking for this paint I've found that it comes up a lot in relation to the military for things like paint markers that are visible at night with proper equipment, and paint that absorbs IR light to make vehicles less obvious to night vision goggles. Even though the first reflects infrared light and the second absorbs it websites end up refering to both as infrared paint which made it difficult to search.
Additionally I found links to some other geeky infrared projects: