Q: however his work in this area, although important at the time, was overtaken by the theory of relativity and other advances in theoretical physics.

A: However his work in this area, although important at the time, was overtaken by the theory of relativity and other advances in theoretical physics.
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Q: addendum to publication agreement (in danish)

A: Addendum to publication agreement (in Danish)
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Q: therefore it is far more likely caused by some subsequent discharge, which hits into the place exactly at the moment, when the circle is created by mechanical effects of preceding discharge.

A:
Therefore it is far more likely caused by some subsequent discharge, which hits into the place exactly at the moment, when the circle is created by mechanical effects of preceding discharge.
++++++++