Originally Posted by spare_wheel

you do realize that flashers can have spill too. it's also amusing that you accuse me of making stuff up while issuing an unsupported proclamation as "fact".
for example, this study suggests that flashing lights are not more easily detected than static lights.
http://www.ncbi.nlm.nih.gov/pubmed/22269563
the search function on bike forums will also lead you to threads on this topic.