Not exact matches
The
pair — an adult female and juvenile male that may have been mother and son —
appear to have fallen through a
hole in the cave ceiling while possibly attempting to access a pool of water inside.
The spontaneous conversion of excitons (bound electron -
hole pairs) to free carriers via these layer - edge states
appears to be the key to improving the photovoltaic and light - emitting thin - film layered materials.
According to quantum physics,
pairs of particles must
appear out of quantum fluctuations just outside the event horizon — the black
hole's point of no return.