| |

True Blue: The Story of Tekhelet, March 20-April 10

There are no upcoming classes scheduled

Times on this page are shown for: Israel/Eastern European - Jerusalem, Athens, Helsinki Daylight Savings Time is in effect change
Share this course with your friends and family:

Dr. Baruch Sterman

True Blue: The Story of Tekhelet, March 20-April 10

Sunday 6:00PM
add this shiur

Course Description

True Blue: The Story of the Loss and Rediscovery of the Mitzvah of Tekhelet


Weaving together Torah, archaeology, chemistry, biology, halacha and history, this course delves into the many aspects of the beautiful mitzvah of Tekhelet, its loss and recent revival, as well as its significance and meaning both in ancient times and today. The exciting multimedia presentation, which includes an option for an at-home dyeing experiment, is given by the founders of Ptil Tekhelet, the leading authorities on the topic


This live, interactive course is meant to be an experience the entire family can enjoy together. To acquire the kit for the at-home dyeing experiment, please click here. The kit is highly recommended, although not required for participation in the class.
The 4-part series will meet Sundays, at 11:00am EST, beginning March 20, 2016. It will also be recorded for later viewing.

Please note that because of Daylight Savings time changes, the first week the class will meet at 5:00pm Israel time. The rest of the classes will take place at 6:00pm Israel time.



About Dr. Baruch Sterman
Baruch Sterman received his doctorate in Physics from the Hebrew University in Jerusalem, and for the past twenty years, he has been a leading technologist, entrepreneur and executive in the Israeli high-tech sector. Baruch is recognized as a world expert in Tekhelet and ancient dyeing, and is co-founder of the Ptil Tekhelet Association. His book, The Rarest Blue (Lyons Press, 2012), which details the history and science of Tekhelet, won the Jewish Journal Book Prize-2013. Baruch has lectured throughout the world on the subject of Tekhelet. He writes extensively on topics relating to Science and Religion and his articles have appeared in publications such as Tradition, Journal of Halacha and Contemporary Society, B’Ohr Hatorah, The Jerusalem Post, and Biblical Archeology Review.

Class Resources & Information

Can't watch the Webex archive files? Click Here
March 20, 2016 5:00PM - 6:00PM
Session I: The Quest for the Holy Snail

This first session will explore the Biblical Tekhelet in its context in the ancient world. What did Tekhelet represent in Biblical and Talmudic times and, most importantly, how and why was it lost?

The PowerPoint Presentation for the class can be found here.

March 27, 2016 6:00PM - 7:00PM
Sesssion II: Why the Jews Choose the Blues

This session looks at the attempts to rediscover the source of the lost Tekhelet dye and the obstacles that lay before those involved in the endeavor.

The Powerpoint presentation can be found here.


April 3, 2016 6:00PM - 7:00PM
Session III: Dyeing Tekhelet

In this session we will visit the Tekhelet factory in Kfar Adumim and look at the practical steps for obtaining the Tekhelet dye, and actually dye Tekhelet. 

For those who have ordered the dye kit and will be using it at home, please make sure before the lecture that the kit is open and all parts taken out, that the flashlight has batteries in it, and that you have water boiled and ready.

April 10, 2016 6:00PM - 7:00PM
Session IV: Halachic Issues Regarding the Rediscovery of Tekhelet

This last session Rabbi Mois Navon will explore Tekhelet, and the rediscovery of this lost Mitzvah, from the standpoint of Jewish Law.

contact us TECH SUPPORT: U.S. 1-646-977-7978 · Israel 073-796-2230 · office@webyeshiva.org

Site design, graphics and maintenance by Marc Gottlieb Creative Solutions