Can something exist without us ever being able to detect it ?

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This discussion explores the philosophical and scientific question of whether entities can exist without human detection. Participants consider the possibility of undiscovered particles or objects that remain undetectable due to current technological limitations. The conversation highlights the need for advanced tools and methodologies to potentially identify these elusive entities, emphasizing the ongoing quest in physics to uncover the unknown.

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can something exist without us ever being able to detect it ??

as the title states , can something exist without us knowing it does ?
what if there are other types of particles , maybe even objects that exist , but we do not know they do due to our inability to interact with them ? were there any such particles that scientists found or predicted ??
can we devise machines or tools to know their existence even though we can't interact with them at the mean time ?
 
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