The difference between Noteworthy and Observable
When used as nouns, noteworthy means a noteworthy person, whereas observable means any physical property that can be observed and measured directly and not derived from other properties.
When used as adjectives, noteworthy means deserving attention, whereas observable means able to be observed.
check bellow for the other definitions of Noteworthy and Observable
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Noteworthy as an adjective:
Deserving attention; notable; worthy of notice.
Examples:
"Zukertort represent the other most noteworthy tournaments."
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Noteworthy as a noun:
A noteworthy person.
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Observable as an adjective:
Able to be observed.
Examples:
"usex The strange new star was at the edge of the observable universe."
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Observable as an adjective:
Deserving to be observed; worth regarding; remarkable.
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Observable as a noun (physics):
Any physical property that can be observed and measured directly and not derived from other properties
Examples:
"Temperature is an observable but entropy is derived."
"In quantum mechanics, observables correspond to [[Hermitian operator]]s. Also, they act a lot like random variables. Taking their [[expected value]] one may recover something resembling a [[classical]] observable."