On Monday, January 18, the Leventhal-Sidman JCC (333 Nahanton Street) will present a science/comedy show for ages 4+ (with a parent):  Doktor Kaboom! LIVE WIRE! The Electricity Tour.   Commissioned by the Kennedy Center, the show explores electricity via Tesla coils, Van de Graaf generators, etc., explaining voltage and current, charges, conservation of energy, and plasma.  Shows are at 11AM and 1PM, and tickets are $15, available either online by calling the 617-965-5226.