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Nano Day at COSI is held annually each Spring.


In March or April each year, science and engineering students from Ohio State University guide fun activities that demonstrate and teach COSI visitors about nano-science.  For more information go to the COSI link:

Come check us out! 

Opportunities to volunteer are available for students, faculty and staff.  Volunteers get free admission and parking.

Related links:;

NanoDay activities at COSI.