Hohm is where the heart is…

If you’re green you will probably be interested in Microsoft’s Hohm. It lets people with participating energy providers track their energy usage online via a website. The end goal being to have the site give you tips on how to save energy and thus money.

The first participants are Pugent Sound Energy, Sacramento Municipal Utility District, Seattle City Light and Xcel energy. Not a huge amount of partners, but it’s a start. You can ask for access to the project by going to the page and following the instructions… Hohm

iPhone OS 3.0

Looks like the field will level. And about time…

Two cool additions to the iPhone that now use HTML5 features:

Safari JavaScript Database Programming

The HTML 5 specification provides a new mechanism for client-side data storage: JavaScript database support. HTML 5 is currently in development by the Web Hypertext Application Technology Working Group (WHATWG).

JavaScript database support is available in Safari 3.1 and later, and in iPhone OS 2.0 and later.

You should read this documentation if you are a web developer who wants to store data locally on a user’s computer in amounts beyond what can reasonably be stored in an HTTP cookie.

HTML5 Application Cache

Michael Nordman of Google asked “Is this stuff built into shipping Safari or iPhone browsers yet?”

David Kilzer replied “This feature shipped with iPhone OS 2.1. When you use “Add to Home Screen” from the “+” button on Safari for iPhone, a web application with a manifest defined (per the HTML5 spec) will be saved with any cached resources. Note that the manifest file *must* be served with the correct MIME type for this to work.

There is no shipping version of Safari for Mac OS X or Windows that supports this feature yet.”

dd: clean your drive securely

Now like anybody I’m a BIG fan of wiping old drives using dd but sometimes there’s a tool out there that will do most if not all of the work for you. Cue DBAN. OR as the site says:

Darik’s Boot and Nuke (“DBAN”) is a self-contained boot disk that securely wipes the hard disks of most computers. DBAN will automatically and completely delete the contents of any hard disk that it can detect, which makes it an appropriate utility for bulk or emergency data destruction.

Complemented with TrueCrypt you will have a mighty secure setup. Possible / definite paranoia issues too… But your data will be secure. For the more command line orientated the old reliable dd if=/dev/urandom of=/dev/disk bs=1k is good enough imho. (It puts random bits in place as opposed to a regular pattern. Not that it will stand up to NSA level scrutiny but it’s more than enough for most data recovery…)

For more go to:

DBAN: http://www.dban.org/
TrueCrypt: http://www.truecrypt.org/

How much of a letter can be removed while maintaining readability?

How much of a letter can be removed while maintaining readability? Ecofont have a solution that uses up to 20% less ink. It works reasonably well so long as your expectations are kept within reasonable boundaries. Ecofont is compatible with Mac OS X, Windows, and Linux, and works just fine in OpenOffice, AppleWorks, and MS Office 2007.

The holes are not visible to the naked eye when you use it at the normal point size e.g. 10 or 12. Here is an example of it at size 12.

So, it’s not perfect and similar results may be obtainable by tweaking your printers settings… Ecofont is probably designed with ink gain in mind. Those tiny holes will fill up once the ink soaks into the paper. Question is, how will it act on coated stock, or when dry toner is used instead of ink?

Free to download, free to use.

So go get it and help save a tree. Or two.