5 Things for Today in Chelmsford: April 17

#1. Today at the Senior Center... Home Instead Senior Care presents the tools to improve your emotional and mental well-being during the process of aging gracefully.

#2. Today at the Library... Allan Lam will be on hand to present a lecture on Computer Security and Privacy for Small Businesses.

#3. Today at the CCA... watch the video version of "The Golden Age of Radio" (pictured)

#4. and Today in Billerica... there's an acoustic open mic night. 

#5. Half-Staff Notice:  Governor Deval L. Patrick has ordered that the United States flag and the Commonwealth flag be lowered to half-staff at all state buildings immediately and until further notice in honor of the victims of the acts of violence perpetrated in Boston on Monday, April 15, 2013.
This gubernatorial order applies to:

1.  The main or administration building of each public institution of the Commonwealth, e.g. town and city halls

2.  Other state-owned or state-controlled buildings

3.  All state military installations