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Re: [Phys-L] more prepping --> DIY scale

-----Original Message-----
From: Phys-l <> On Behalf Of John Denker
via Phys-l
Sent: Tuesday, March 10, 2020 6:10 PM
To: The Physics Learning Research List <PHYSLRNR-
LIST@LISTSERV.BUFFALO.EDU>; Forum for Physics Educators <Phys-L@Phys->
Cc: John Denker <>
Subject: Re: [Phys-L] more prepping --> DIY scale

[sorry for duplicates]

On 3/9/20 12:45 PM, in a message with many good ideas, Dan Beeker wrote:

• Build a mass scale out of rubber bands. How to calibrate it? How
accurate is it? How can you improve the accuracy without having to go
out and buy stuff?
I didn't get this message and I am not seeing it in the Phys-L archives. What are the many good ideas?