Today was the first day I was able to do some real work in the park, Brooklyn’s Prospect Park that is, and I must say it was pretty nice: watching people with their kids and dogs, hearing the breeze in the branches, feeling the sunshine on my shoulder, feeling like John Denver (well not exactly).

The 2 biggest drawbacks were the upload speed, which I’ll complain about (nicely) and the glare on the glossy screen of my MacBook. Coincidentally I received a 3M privacy filter that I had ordered from Amazon.com today and was pretty disappointed to find that the dimensions did not fit my screen at all even though it is supposed to be for 13.3″ laptops. I just found another one from ViewGuard that’s even more expensive but seems to be made specifically for 13.3″ wide screens and glare reduction.

As another coincidence the Lifehacker blog today has a post about an anti-glare hood for using laptops outside. I’m not sure if I would want to use that thing, it looks kind of weird, but if it works and eliminates 100% of glare then what the heck!

I should mention that while the glare was pretty annoying it did not make it impossible to use the laptop. I was there for only 2 hours, any longer would have been unbearable. The problem wasn’t so much from over head sunlight but from reflections of objects facing the screen, mostly me. The fact that I was wearing all black with long sleeves made the situation a lot better than it would have been otherwise though I couldn’t really angle the screen in a way that would only reflect my upper body and none of the sky behind me. These observations lead me to believe that something to cut the reflectivity of the screen like a glare filter would be more useful to me than a hood to shade it from over head light.

Other must-haves while working outside in the park are the already mentioned external battery from Batterygeek.net and the Kennsinton cable lock. There are no outlets in the park, and this is Brooklyn after all… I don’t want anybody to be tempted to snatch my Mac while I’m using it out in the open!

I have recently found 2 products that have helped me to significantly extend the time I am able to work with my laptop away from any AC power outlet.

The first is an external battery from BatteryGeek.net. When choosing an external battery you need to find one that is compatible with your laptop, with suitable voltage and adapters. Luckily the nice people at BatteryGeek will evaluate your power needs and give you a free ‘battery audit’ listing which of their models will work for your particular situation. If you want to power other portable devices with the battery that’s not a problem either.

The next thing to consider is the number of Watt Hours. Basically more is better. Their top of the line models boast 140 WH, while the one I purchase is rated at 130 WH. Considering that the internal battery in MacBook is only rated at 50 WH this should extend my work time considerably! I got the BG 19-24-130 since it was on sale for $170. They tell me it has been discontinued and when the stock runs out you’ll have to choose among the more expensive models.

The other product is an application for the MacBook called CoolBook which allows you to under-clock the Intel Core Duo processor which not only extends your battery life, it also lets the machine run a bit cooler. Basically this let’s me run my 2.0 GHz processor at only 1.0 GHz with a correspondingly lower voltage. Before installing CoolBook my typical internal battery life was 3 hours, but now I can usually get around 4! And at only $10 this is great little piece of shareware. Of course you need to be aware that under-clocking your CPU will cause heavier applications to run slowly, so I wouldn’t use this if you’re going to be editing audio or video.

There must be some way for PC laptop users to under-clock as well. I think it might depend on the BIOS. If you have any ideas feel free to post them in the comments.

Of course this stuff about under-clocking may sound extremely technical and the settings aren’t necessarily that intuitive, but I can assure you it’s worth the effort to extend your battery, keep your laptop cooler and let your fan(s) run more quietly, though if technical stuff scares you it’s probably best to just leave it alone then. The external battery will extend your work time a lot longer, though for a lot more money. For me the best solution is to use both. I haven’t looked for an AC outlet at a cafe for a few months now!

I finally came across the whole coworking concept thanks to this Business Week article. There is even a coworking wiki that describes the concept as “start with a shared office and add cafe culture”. This sounds great though I think I’d prefer to start with cafe culture and make it a bit more like a shared office as suggested by Factory City.

The closest coworking venue to where I live requires a monthly commitment and security deposit. I like to be more spontaneous than that, though I’ve read that there are venues in other cities that offer space for $10 a day. Of course if I did commit to a coworking venue then maybe I could afford to move to a more trendy neighborhood and just rent a bedroom in a shared apartment since I wouldn’t need as much space without having a home office and there would be no question about what percentage of my home I’m using as an office when it come to income tax deductions. On the other hand I might miss the bike ride from my hood to the trendy neighborhood where the cool internet cafes are. I’ve got to get some exercise somehow…