D. R. Venables has written:

'Academic dress' -- subject(s): Academic costume, University of Oxford

Yes, that is true. Avecinna, the Persian scientist (he was from Balkh- Mazar Sharif) would dress like this. This academic cloth is his own invention.

cap and gown.

the hat is called a mortarboard.

When You are in academy your activity evaluate as academic performance & when you are not in academy your activity in non academic performance.

I think academic blog is a blog that focuses on academic topics.