Trying to light a bulb with only 1 wire. How can we do it? Grade 6 #electricity #scichat https://t.co/ORdE12OixX

Trying to light a bulb with only 1 wire. How can we do it? Grade 6 #electricity #scichat pic.twitter.com/ORdE12OixX

— Jason Wood (@Funology_ca) February 6, 2018