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Forum: Advocacy & Safety

06-10-21, 07:00 AM

Replies: 41

Daytime running lights

Views: 3,944

Posted By Milton Keynes

If I can see 1/2 mile down the trail, I can see...

If I can see 1/2 mile down the trail, I can see other cyclists ahead. And for cases when I can't see that far ahead, it's no big deal. I'm not going so fast that I need 1/2 mile distance for...

Forum: Advocacy & Safety

06-09-21, 08:40 PM

Replies: 41

Daytime running lights

Views: 3,944

Posted By livedarklions

OK, so here's where we use the math to show why...

OK, so here's where we use the math to show why that is bad. It's called the inverse square rule--every time you half the distance to the viewer, you quadruple the light hitting the viewer. If a...

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