Yes, I know about lights. I have not come across a bike light that was bright enough.

Yesterday I had to stop by the doctor's office to make an appointment. On the way there, I came across a cyclist who had done something creative to his mountain bike. He had taken a light is usually positioned right next to the yellow/orange turn signal of a car/truck, and put it on the front of his bike for a headlight. For his tail light, he got a hold of one of the brake lights from the tractor of an big rig and made it his brake light. He did have 9-Volt batteries for both of them with some kind of wiring that he had done.