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Later in the 20^th century, even more subtle phenomena were tested.  One was the phenomenon of ''gravitational radiation'', or "gravity waves".  These waves are incredibly difficult to observe, and have never been observed.  But extremely dense binary pulsars radiate gravitational waves with sufficient energy loss that, even though we can't detect the waves from Earth, we can see the effect of the energy loss from the radiation.  The extreme precision of the timing of pulses from pulsars makes it possible to observe their energy loss with great accuracy.  Observations by Hulse and Taylor of the pulsar pair known as B1913+16 confirmed the energy loss consistent with the predicted radiation.

Later in the 20^th century, even more subtle phenomena were tested.  One was the phenomenon of ''gravitational radiation'', or "gravity waves".  These waves are incredibly difficult to observe, and have never been observed.  But extremely dense binary pulsars radiate gravitational waves with sufficient energy loss that, even though we can't detect the waves from Earth, we can see the effect of the energy loss from the radiation.  The extreme precision of the timing of pulses from pulsars makes it possible to observe their energy loss with great accuracy.  Observations by Hulse and Taylor of the pulsar pair known as B1913+16 confirmed the energy loss consistent with the predicted radiation.

Two other effects, ''geodetic precession'' and the ''Lense-Thirring effect'' (also known as "frame dragging") were tested by the "Gravity Probe B" satellite early in the 21^st.  The precision required to observe this was phenomenal.  The results were announced on May 4, 2011.

Two other effects, ''geodetic precession'' and the ''Lense-Thirring effect'' (also known as "frame dragging") were tested by the "Gravity Probe B" satellite early in the 21^st century.  The precision required to observe this was phenomenal.  The results were announced on May 4, 2011.

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==Lack of evidence for Relativity==

==Lack of evidence for Relativity==

The Theory of relativity assumes that time is symmetric just as space is, but the biggest early promoter of relativity, Arthur Eddington, coined the term "[[arrow of time]]" admitting how time is ''not'' symmetric but is directional.  The passage of time is tied to an increase in disorder, or [[entropy]].  The Theory of relativity cannot explain this, and implicitly denies it, specifically allowing for theoretical time travel (e.g., [[wormholes]]) and different rates of passage of time based on velocity and acceleration.

The Theory of relativity assumes that time is symmetric just as space is, but the biggest early promoter of relativity, Arthur Eddington, coined the term "[[arrow of time]]" admitting how time is ''not'' symmetric but is directional.  The passage of time is tied to an increase in disorder, or [[entropy]].  The Theory of relativity cannot explain this, and implicitly denies it, specifically allowing for theoretical time travel (e.g., [[wormholes]]) and different rates of passage of time based on velocity and acceleration.