I have sent an email to a professor at a local university. The email asks for assistance with a fairly large science fair. I have done much of the work and the email was asking about how I could improve it. After 4 days I have not received a response yet.
Usually people check their email on a fairly regular basis (Once a day, usually) and so I am naturally worried about it.
Is it possible the professor has not read the email yet or should I email other professors?