Gravitational waves are invisible. However, they are incredibly fast. They travel at the speed of light (186,000 miles per second). Gravitational waves squeeze and stretch anything in their path as they pass by.
bad bad bad. running your car low on oil can cause the engine to lock up and that means a rebuild. you should check your oil weekly along with other fluids. check your oil after your car has set for about 30 minutes or before you start it for the day. not doing this will give you unaccurate readings.
Carefully inspect under the vehicle for oil leaks (especially by oil drain plug and oil filter). If leaks are visible, shut off the engine immediately and have the leaks repaired. 17. Shut off the engine and allow 30 seconds for oil to settle in the engine.