While I do not question slower clock speeds for a moment, later experiments found clear evidence, however the quality of the first experiment, the Hafele-Keating experiment, is barely higher than in the plainly embarrassing case in Principe of Eddington which measured the light curvature around the sun.quasar987 said:Haven't they done this with a clock in an airplane in the early days of SR? I read they did in a textbook. Excuse me for not having any precise reference for you.
Phobos said:I assume this has been done, but I have not seen any papers on it. For example, with the Voyagers traveling at however-many-tens-of-thousands-of-mph with respect to us, we should be able to measure the slower tick of their internal clocks (e.g., slower signalling). Perhaps this hasn't been done since the scientists involved have better things to investigate with the Voyager data than to do basic Relativity. But I'm curious if it's been done.
Phobos said:I assume this has been done, but I have not seen any papers on it. For example, with the Voyagers traveling at however-many-tens-of-thousands-of-mph with respect to us, we should be able to measure the slower tick of their internal clocks (e.g., slower signalling). Perhaps this hasn't been done since the scientists involved have better things to investigate with the Voyager data than to do basic Relativity. But I'm curious if it's been done.
Time dilation occurs when an object is moving at high speeds or in strong gravitational fields, causing it to experience time at a slower rate compared to a stationary observer. This phenomenon is a result of Einstein's theory of relativity and has been proven through various experiments and observations.
One of the most famous examples is the Hafele-Keating experiment in which atomic clocks were flown around the world in opposite directions and were found to have a difference in time when compared to a stationary clock. Another example is the use of atomic clocks on GPS satellites, which have to account for time dilation in order to provide accurate navigation.
Astronauts who spend extended periods of time in space, such as those on the International Space Station, experience time dilation which causes them to age slightly slower than people on Earth. This effect is very small and only becomes noticeable after spending significant amounts of time in space.
Yes, time dilation can be observed on Earth in a variety of ways. For example, atomic clocks placed at different altitudes will have slight differences in time due to the varying strength of Earth's gravitational field. Also, high-speed particles in particle accelerators have been found to experience time dilation.
The most significant practical application is in the field of GPS technology, where time dilation must be accounted for in order to provide accurate location data. Time dilation research also helps us better understand the effects of gravity and high speeds on time, which could potentially lead to new technologies such as time travel in the future.