Thank you everybody for your help.
I'd like to defend my right to ask difficult questions. I think it's important to work and learn with the students; to encourage students to ask questions that occur to them, and where appropriate they/I/we work at solving them. I have an impressive...
What I really want is a range of reasonable answers, (for mass of an orange, I have put 100-300g), but I'm still struggling to find anything. I've just started googling on "electron micrograph fly eye" and hoping for an enlargement factor!
aha, as a mathematician, I didn't know the word entomology, thanks
The link you gave has wonderful photos of flies. Like you say, I still need to know the size of the fly, so I'll get back to google
thank you
[SOLVED] what's the diameter of a fly's eye?
I'm a maths teacher and in a topic on units and 'big and small numbers', I've set my class various items to estimate, including the diameter of a fly's eye...
Now it's driving me mad, I've spent hours googling to try to find out a reasonable...