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Comment by lallysingh | Hacker News Reader

This is pretty much the best press release I've ever seen in my life.

On a much less apocalyptic note, there is some great lawnbot potential here. A robot that cuts your grass and eats it for fuel sounds pretty good to me.

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You mean like a goat, that also gives you milk and love?

Don't forget the distinctive odor that allows you to tell if you have arrived near that love, even in complete darkness. Of course if the new biomass engine does not lack this feature it probably ruins it for any covert use.

Chickens are better for that purposes, since their excrements are some of the best fertilizer around. They also smell better than the goat.

they have an annoying tendancy to destroy/tear up the grass though.

Goat won't eat the grass uniformly. So you won't have a nice looking lawn. + unless you have a mansion with a huge lawn the goat will starve after a few months.

Apparently you can rent goats for this purpose

http://googleblog.blogspot.com/2009/05/mowing-with-goats.htm...

You'll want to leave the grass-clippings in the lawn for fertilisation. Sure, you could add fertilizers, but then why not just give the lawn bot a place to plug-in (like a Roomba) instead? It's easier and I'm pretty sure it's cheaper, also.

Also, I'm not sure the world is ready for autonomous robots with blades. Imagine it foraging onto the neighbouring lawn, prompting the interest of a 4-year old... ugh.

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