Do you even look to see if the speedometer works when you buy an old car? When we shop for something built in the 1960s or 1970s, we assume the speedo needle winged off into the night or the cable is ...

If you’re a serious cyclist, you probably like to keep track of how far you ride. You can use a GPS app on your phone or your smartwatch to monitor how far you’re traveling, but it’s not always easy ...