I don't know if this qualifies, but there was an article about a mosquito-killing invention a few days ago: http://news.ycombinator.com/item?id=516916 http://n

I don't know if this qualifies, but there was an article about a mosquito-killing invention a few days ago: http://news.ycombinator.com/item?id=516916 http://news.ycombinator.com/item?id=516916