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What's Math Got To Do With It?

   Saturday, February 2nd, 2008 - by: Brian Herzog, Head of Reference

Stage 2 Sierpinski PyramidThroughout the month of February, stop by the Library to help build Sierpinski tetrahedrons.

A tetrahedron is a pyramid with three sides and a base. A Sierpinski tetrahedron is a repeating pattern of small pyramids assembled into ever larger pyramids. A single tetrahedron is called stage 0; a pyramid of four tetrahedrons is stage 1; the pyramid shown in the picture, consisting of 16 individual tetrahedrons, is stage 2.

Pre-cut colored paper, tape, and instructions are located at stations around the library. Patrons are encourage to fold a few tetrahedrons of their own, and leave them in the bins at each station.

No mathematical knowledge is necessary. Just enjoy the shapes, the symmetries and the similarities you find.

Please make some each time you visit in February, because the goal is a stage 6 pyramid - 4,092 individual tetrahedrons! We will need the help of many teens, and children ages 10 and older, as we put all the small tetrahedrons together during February vacation to make a giant structure.

This project is named for Waclaw Sierpinski, a Polish mathematician. While researching set theory, he developed a Sierpinski Triangle, which is an example (as is our tetrahedrons) of a self-repeating set of shapes. Notice in the picture how the overall pyramid looks like a bigger model of the smaller yellow or blue or red sets, which are themselves pyramids just like an individual tetrahedron.

If you have questions or need help, tape, or more pre-cut paper, please ask at any desk in the library.

childrens, crafts, math, paper, programs, pyramid, pyramids, Sierpinski, tetrahedron, tetrahedrons

   Posted in Childrens, Events | No Comments »




Upcoming Program Series: Financial Fitness

   Monday, September 10th, 2007 - by: Brian Herzog, Head of Reference

Financial Fitness iconThe Library is sponsoring a 6-part series on Financial Fitness, Investing, and Retirement Planning.

The first sessions will be an introduction to the topic, geared towards those who feel there's more they should be doing with their finances and assets, but don't know where or how to begin. The later sessions will build on the first and get into more details.

The first session, "Introduction to Financial Fitness," will be held on September 13th and then repeated on September 27th, for those who can't make the first date. The instructor is Rishi Sondhi (more about Rishi).

To learn more about this series, please visit the webpage. Also, you can read more in an article from the Lowell Sun.

Also, there is a handout of finance and investing books, periodicals, and other resources in the Library: click to download [pdf, 128kb]

chelmsford, chelmsford library, economics, finance, financial, investing, money, programs, retirement, rishi sondhi, series, sessions

   Posted in Programs, Resources | No Comments »




August 2007 Calendar Available

   Wednesday, August 1st, 2007 - by: Brian Herzog, Head of Reference

CalendarThe calendar for August programs at the Library is available. Copies can be picked up at any desk in the library, or you can download the August calendar [pdf, 651kb] and print it yourself.

Also, check our online calendar, Childrens programs, and MacKay Branch programs to keep up to date with what's happening in the library!

Upcoming programs will also be announced in the Chelmsford Independent.

august, chelmsford, chelmsford library, events, library, programming, programs

   Posted in Events, Programs | No Comments »




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