3 ms·
It's like 6" by 3" by 1/4". You can see the size in the TED talk or on the website: http://www.foldscope.com/#/scienceeducation/ http://www.foldscope.com/#/sci
by tedsanders 13y ago
It's like 6" by 3" by 1/4".
You can see the size in the TED talk or on the website: http://www.foldscope.com/#/scienceeducation/ http://www.foldscope.com/#/scienceeducation/
Honestly, I'm not sure how long the battery lasts. I've mostly worked with the versions that have no backlight (to use them, you hold them up to a lightbulb or to the sun).