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Technology
Quick fact
The piezoelectric effect, discovered by Pierre and Jacques Curie in 1880, is used in transducers for everything from ultrasound imaging to quartz watches.
Why this is interesting
You speak into a microphone, and your voice is heard on the other side of the world. But how does a sound wave become an electrical signal—and then back into sound? The answer lies in a remarkable device: the transducer.
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Subjects · study & training · careers
Choose something you are considering. FACTREE will give you a clear picture of what it contains, how its main parts connect and where it could lead.
This private catalogue connects 31 subjects, study routes and careers across six broad areas. Public Maps and learner routes remain off.
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Open a subject to see its complete shape at a glance. You can always return here and choose something else.
See what programming involves, how its main areas connect, and whether you find the knowledge interesting enough to take it further.
Structuring the Programming Map…
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Curiosity quiz
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Administrator
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Knowledge architecture
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Curriculum coverage
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