Lancaster Public Library, 125 N. Duke St., Lancaster, will hold the following free science programs to be presented by the Lancaster Science Factory. The programs are made possible through a grant from the Dart Foundation.
Adults are invited to "K'NEX for Grownups" on Wednesday, Oct. 15, from 6 to 7:30 p.m. The program is a beginner's tinkering course in structural engineering. Using a hybrid set of materials, participants will assemble different types of bridges to find out which is strongest. Time permitting, attendees will construct and test towers, catapults and cars as well. Readers may register at http://www.lpl-knexgrownups.eventbrite.com.
"ZAP! Unusual Electric Circuits" will take place on Tuesday, Nov. 18. Sessions will be offered from 5:30 to 6:30 p.m. for tweens/teens and 6:45 to 7:45 p.m. for people age 18 and up. Attendees will put together simple electrical circuits with hobby kits and make basic, series and parallel circuits. They will also use lemons as batteries, assemble a circuit using dough and craft an electric sculpture. To register, individuals may visit http://www.lpl-zaptweenteen.eventbrite.com and http://www.lpl-rocketadult.eventbrite.com.