What are some good Electrical and Electronics blogs worth following?
That probably depends on your interests. Some suggestions (in no specific order):


http://www.ganssle.com/
http://thesignalpath.com/blogs/
http://www.crosstalkonline.org/
http://circuitcellar.com/
http://www.eetimes.com/
http://www.edn.com/
http://www.embedded.com/
http://www.eevblog.com/
http://www.bethesignal.com/bogatin/index.php
https://www.reddit.com/r/ECE/
https://www.reddit.com/r/electronics/


AND of course:


https://electronics.stackexchange.com ;-)