Upcoming STEM-oriented events in the Newton Free Library’s calendar:

• Einstein’s Gift to Us:  Gravitational Wave Astronomy (July 18, 7-9PM):  Talk by MIT Physics Professor Emeritus Dr. Rainer Weiss.
• Finch Robots (July 20 & 27 7-8:30PM):  Second and third of a three-part series about programming robots, for Grades 6-12.
• Teen Tinker Club (July 21, 4-5PM):  littleBits, Hexbugs, and LEGO WeDos, for Grades 6-12.  Registration required.
• Hands-On Arduino (July 23, 10AM-Noon):  Work with Arduino microcontroller kits to build interactive objects.  Some previous coding experience required.  Ages 18+.  Registration required.
• Museum of Science Presents Blizzards — Outwit the Elements (July 25, 3-3:50PM):  Hands-on engineering workshop.  For kids entering Grades 1-6, with accompanying adult required for Grades 1-3 and encouraged for Grades 4-6.  Registration required.
• 3D Printing for Teens (July 25, 7-8PM):  Use the Library’s 3D printer.  Register for waiting list.