Tiny versions of the reflectors on sneakers and bicycle fenders that help ensure the safety of runners and bikers at night are moving toward another role in detecting bioterrorism threats and diagnosing everyday infectious diseases, scientists said. Their report on progress in using these...
I installed a luggage rack on the back of my bike and it completely covers my back reflector. I suppose I have to attach a tail light to my luggage rack but I'm not sure which one will fit.
Any suggestions? This is the rack I have...
...the rim of the front wheel? assume the wheel has radius 10in and the bike is moving at a rate of 20pi in/sec in the direction counterclockwise. As the bike moves from left to right in the picture below, the reflector will trace out a path in the imposed coordinate system: x(t)= 20pi t...
I accidentaly cracked the drivers side rear reflector/light of my BMW 328i. I already got a replacement and now would like to try to remove the cracked one and fit the new one. I went thorugh the manual but only talks about how to replace the bulbs but nothing of how to replace the whole panel...