Rabbi Yehoshua Yankelewitz discusses Purfirin and Prasinan as breakthrough in understanding how murex can be the original source for Techeiles.
QA:
Dye Being Used for Jewish Garments that Simply Aren’t Lishma
Is Boiling Wool with Techeiles Meakev
Related Speakers:
Dr. Israel Irving Ziderman
Topic: Modern Scientific Discoveries Regarding Tekhelet
Rabbi Chaim Twerski
Topic: Halachic Issues Regarding Bal Tosif with Techeiles
Rabbi Yehoshua Yankelewitz
Topic: The Yerushalmi as a Potential Source to Identify Techeiles
Rabbi Bentzion Halberstam
Topic: Halachic Issues Regarding Techeiles Today
Rabbi Dr. Abraham Twerski ZT”L
Dvar Bracha on Techeiles