Regular car maintenance isn’t limited to fluid changes, tire pressure, and brake pads. Changing a car’s cabin and engine air filters can also increase the car’s longevity and the passengers’ comfort.

Variable neutral density filters are very useful for photographers that like manual control in bright light. Instead of paying hundreds of dollars for one, though, you can make your own from just a ...

While the increasing complexity of today’s cars, light trucks, and SUVs has put many tasks beyond the capabilities of light do-it-yourselfers (DIYers), filter changes can still be easily handled by ...