Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: Ultrasound, a diagnostic technology, uses high-frequency vibrations transmitted into any tissue in contact with the transducer.
[EX A]: What diagnostic technology uses high-frequency vibrations transmitted into any tissue in contact with the transducer?

[EX Q]: The core of a star collapses during a supernova, forming a neutron star.
[EX A]: The core of a star collapses during what event, forming a neutron star?

[EX Q]: Conducting wires have a small degree of electrical resistance.
[EX A]:
Conducting wires have a small degree of what?