On Thu, 05 Apr 2018 08:42:56 -0700, Jeff Liebermann
wrote:

I was going to suggest riding while wearing night vision goggles:
https://www.google.com/search?q=image+intensifier+night+vision+goggles&tb m=isch
You might appear rather strange looking, but you'll be able to see the
moving black holes on bicycles before you hit them.

"Mountain Biking at Midnight with Top Secret Night Vision Goggles"
https://www.wired.com/2015/04/mountain-biking-at-midnight-with-top-secret-night-vision-goggles/

--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558