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Zomet Institute

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Zomet Institute is an Israeli nonprofit that develops technological solutions intended to allow observant Jews to use electrical and electronic equipment in accordance with Halakha on Shabbat and Jewish holidays.

Last updated August 25, 2026

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Overview

Zomet Institute, also known as Makhon Tzomet, is an Israeli high-technology nonprofit organization focused on the practical relationship between Jewish law and modern technology. Its name is an acronym derived from Tzevtei Mada veTorah, meaning teams of science and Torah. The institute’s work addresses a recurring challenge in observant Jewish life: how electrical, electronic, communications, security, medical, and household systems can be designed or operated in ways that comply with Halakhic restrictions applying on Shabbat and Jewish festivals. The institute was established in Alon Shvut by Rabbi Yisrael Rosen, who served as its founder and head. Rosen was also associated with the Chief Rabbinate’s Administration of Conversion to Judaism and later served as a dayan, or rabbinic judge, on a conversion court. Under his leadership, Zomet developed a model that combined engineering and religious expertise rather than treating Sabbath-compliant technology solely as a consumer feature. Its specialists examined the technical behavior of devices and proposed mechanisms, controls, sensors, and operating procedures intended to address specific Halakhic concerns. Zomet’s solutions have been used in observant households and in institutional settings where uninterrupted operation is important. The institute’s work has been associated with hospitals, the Israel Police, and the Israel Defense Forces, as well as with domestic appliances and other equipment used by religiously observant communities. Its activities therefore extend beyond retail products: the organization functions as a technical adviser, a source of religious-legal guidance, and a developer or certifier of practical adaptations. The institute is affiliated with Modern Orthodox Judaism, but its rulings and technical approaches have involved consultation with rabbis from a wider range of Orthodox authorities. Its Halakhic positions have received endorsements from authorities including Rabbis Shlomo Zalman Auerbach and Yehoshua Neuwirth, according to reference material about the organization. This consultative approach is important to Zomet’s positioning, because the acceptability of a technological solution may depend on both its engineering design and the religious authority supporting the underlying ruling. In addition to applied technology, Zomet has maintained a substantial educational and publishing role. Its annual Tehumin volume, published since 1980, brings together rabbinic and scholarly discussions of modern Jewish life, technology, and law. The organization has also been associated with Shabbat B’Shabbato, a Hebrew weekly leaflet distributed through synagogues and translated into English, and with Crossroads: Halacha and the Modern World, an English selection of translated material from Tehumin. Zomet occupies a distinctive position between religious institutions, engineering organizations, and specialist professional services. It does not primarily compete as a conventional appliance manufacturer or consumer-electronics brand. Instead, its identity rests on translating Halakhic requirements into workable technical designs and institutional practices. Its work overlaps with the broader concept of Sabbath mode, although that term also covers features developed by manufacturers without an affiliation with Zomet. The institute’s continuing relevance comes from the expansion of electronic systems into homes, healthcare, public safety, defense, and everyday infrastructure, all of which create new questions about technology use during Shabbat and festivals.

History

Zomet Institute was established in Alon Shvut by Rabbi Yisrael Rosen as an organization intended to bring scientific and engineering expertise into dialogue with Jewish law. Its Hebrew name, Makhon Tzomet, reflects the institute’s stated concept of bringing teams of science and Torah together. The organization developed in response to the growing presence of electricity, electronics, automation, communications, and other technologies in religious life. Rather than limiting its activity to theoretical discussion, Zomet sought practical designs that could be used by observant Jews without violating the restrictions associated with Shabbat and Jewish festivals. Rabbi Rosen, who founded and headed the institute, also held important roles connected with Israel’s religious institutions. He founded and headed the Administration of Conversion to Judaism of the Chief Rabbinate and later served as a dayan on a conversion court. His background helped shape Zomet as an institution that combined technical problem-solving with formal rabbinic deliberation. The institute’s approach has involved consultation with rabbis beyond its immediate Modern Orthodox affiliation. Reference material identifies Rabbis Shlomo Zalman Auerbach and Yehoshua Neuwirth among the authorities who endorsed aspects of Rosen’s Halakhic rulings. Zomet’s applied work has covered equipment used in private homes and systems required by public organizations. Its solutions have been associated with hospitals, the Israel Police, and the Israel Defense Forces, where the need for continuous operation can conflict with ordinary Sabbath operating procedures. The organization has also addressed appliances and electronic controls relevant to observant households. Such work can involve the design of special switches, sensors, control systems, or operating modes, although the particular solution depends on the device and the Halakhic issue under consideration. A second major part of Zomet’s history is its publishing and educational program. Tehumin has been published annually since 1980 and serves as a forum for discussion of contemporary Jewish law, technology, and social questions. Selected material was later made available to English-speaking readers through Crossroads: Halacha and the Modern World. Zomet has also been connected with Shabbat B’Shabbato, a Hebrew weekly leaflet distributed in synagogues and translated into English. These publications extend the institute’s reach beyond engineering projects by documenting and communicating debates about how Jewish law applies to changing technological conditions. Zomet’s institutional identity differs from that of a mainstream appliance manufacturer. It operates as a nonprofit specialist and advisory body whose authority depends on the combination of technical competence and rabbinic legitimacy. Its work is related to the wider market concept of Sabbath mode, but Sabbath-mode functions can be created by manufacturers independently of Zomet. Zomet’s distinctive contribution is the direct integration of engineering design, religious consultation, and practical implementation for Jewish households and organizations. As electronic infrastructure has become more pervasive in medicine, security, defense, and domestic life, the questions addressed by the institute have continued to extend beyond traditional household appliances.

  • 1980

    Tehumin publication begins

    [1]

    The institute began publishing Tehumin, an annual collection addressing Jewish law, modern life, technology, and related contemporary issues.

  • Institute established in Alon Shvut

    [1]

    Zomet Institute was founded in Alon Shvut by Rabbi Yisrael Rosen to develop practical interfaces between modern technology and Halakhic observance.

Products and positioning

A specialist nonprofit at the intersection of engineering, applied technology, and Orthodox Jewish legal reasoning, helping households and institutions use modern equipment while observing Shabbat and Jewish holidays.

  • Religious-technology systems

    Halakha-compliant electrical and electronic solutions

    Zomet develops or advises on mechanisms for operating electrical and electronic equipment during Shabbat and Jewish holidays. The work is not limited to a single appliance category and may involve household devices, institutional systems, sensors, controls, and other technologies. Each solution is intended to address a defined technical and Halakhic problem.

  • Religious and legal publication · 1980

    Tehumin

    Tehumin is Zomet’s annual compilation of discussions and rulings concerning modern Jewish life. Its subject matter includes technology, Jewish law, and practical questions created by changes in contemporary society. The publication has appeared since 1980 and is one of the institute’s principal scholarly and educational offerings.

  • English-language publication

    Crossroads: Halacha and the Modern World

    Crossroads is an English translation and selection of articles originally published in Tehumin. It makes Zomet-associated discussions of Halakha and modern technology accessible to readers who do not read the institute’s primary Hebrew publications.

  • Weekly religious leaflet

    Shabbat B'Shabbato

    Shabbat B'Shabbato is a Hebrew weekly leaflet distributed through synagogues in Israel and translated into English. It provides a recurring channel for religious education and discussion associated with the institute’s broader interest in applying Jewish law to contemporary life.

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