That these decisions have by sheer accident led to lower support scores for vouchers? (educationnext.org)
I'd been fascinated by the light, shadow, and shapes that resulted from sheer accident (I'm not known for my photography!) (tulsapetsmagazine.com)
So I went back to my «expert» approach of typing random entries into the various wizards and lizards that kept popping up on the screen until by sheer accident, I made it work... three hours later. (scientificamerican.com)