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Abraham Zarem, one of the last surviving Manhattan Project scientists, dies at 106
(JTA) — Abraham Zarem was 28 when he joined the Manhattan Project, the vast U.S. government effort to develop the atom bomb.
Engineers like him gathered in secret laboratories in New Mexico, California, New York City and elsewhere to provide the practical know-how the theorists lacked.
“‘They were geniuses, but didn’t know how to build a f—king thing,’” Zarem recalled, according to his longtime rabbi at Sinai Temple in Los Angeles, David Wolpe.
Zaum, who went on to a distinguished career in technology, business development and leadership management training, died March 8 in Los Angeles. He was 106, and one of the last surviving members of the army of scientists, technicians, bureaucrats and clerks who helped build the weapon that would force Japan’s surrender in World War II and usher in the Atomic Age.
After the war, Zarem joined the staff of the United States Naval Ordnance Test Station at Pasadena, where as head of the electrical section of the physical research division he developed a high-speed camera used to study intense light sources and other phenomena. Popular Mechanics called the Zarem camera — 25,000 times faster than any movie camera then available — a “miracle.”
In 1963, Zarem served as senior vice president of Xerox, leaving in 1970 to launch a consulting business. He returned to Xerox as founder and CEO of its Xerox Development Corporation in 1975. He later served as founder and managing director of Frontier Associates, a technology consultancy.
Born in Chicago on March 7, 1917, Zarem was valedictorian of his undergraduate class at the Armour Institute of Technology (now the Illinois Institute of Technology), and earned his doctorate on the physical properties of the electric spark at the California Institute of Technology. He headed the Stanford University Research Institute in Los Angeles while still in his 30s.
Later he served as distinguished senior advisor for Neuroscience Technology Transfer for the UCLA Brain Research Institute and a member of the Urology Advisory Board of the UCLA Geffen School of Medicine. Additionally, he served as distinguished visiting executive in Science and Technology for Caltech’s Jet Propulsion Laboratory.
One of Zarem’s companies, Electro-Optical Systems, developed the “world’s first practical ion engine” — an experimental high-energy thruster for spacecraft. It now resides in the Smithsonian Institute in Washington, D.C.
Zarem was also a regular at Temple Sinai, where Wolpe said Zarem mentored him as a young rabbi. Zarem and his wife Esther were generous contributors to the congregation; Wolpe remembered Zarem chanting from the book of Jonah on Yom Kippur when he was 99.
“Abe Zarem was a brilliant, buoyant, passionate, pious and philanthropic person,” Wolpe told the Jewish Telegraphic Agency this week. “He had a central role in some of the key scientific events of human history — the atomic bomb, the moon landing — and yet took an interest in everyone lucky enough to meet him. Abe was truly yachid b’mino — unique in his time. He will be greatly missed.”
Unlike with some of his collaborators on the Manhattan Project, there is no public record of Zarem grappling publicly with the moral implications of the weapon he helped develop. Years after their war work at Caltech, a man who worked under Zarem as a lab assistant said he felt no guilt, because without the detonations at Hiroshima and Nagasaki, he told a local newspaper, “We would have lost 500,000 Americans in the invasion of Japan.”
But Zarem did go on the record in 1952 on a different topic, in advice he shared with a labor and management magazine: “Keep your feet warm, and your head cool. And watch out for the hotheads with cold feet.”
His survivors include his children, Janet, David and Mark.
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IDF Unveils AI-Powered Robotic Warfare System, Breakthrough Artillery Against Hezbollah
Smoke rises from a village in southern Lebanon as the Israeli army operates in it as seen from the Israeli side of the border, April 23, 2026. Photo: REUTERS/Gil Eliyahu
The Israel Defense Forces (IDF) has introduced cutting-edge battlefield technology while fighting Hezbollah over the past several weeks, deploying fleets of explosive robots and game-changing artillery to accelerate the destruction of the Iran-backed group’s terrorist infrastructure across southern Lebanon.
With the goal of minimizing risks to troops, the IDF plans to deploy robots on high-risk missions to detonate large, strategic infrastructure in areas previously beyond the reach of ground forces, marking a significant expansion in its use of autonomous battlefield systems. Some of this technology has already been in use but will only escalate.
According to Israeli officials, this newly introduced technology is designed to scan vast areas using intelligence data, locate Hezbollah infrastructure both above and below ground, and systematically dismantle networks built over decades within Shiite villages, forests, and dense terrain.
The IDF expects this sustained military engineering effort to drain Hezbollah’s extensive financial investments and push threats farther from Israel’s northern border with Lebanon.
Given Lebanon’s rugged, mountainous terrain in the area, the natural landscape severely limits the movement of heavy engineering equipment, forcing troops to rely on complex field improvisations amid dense vegetation and terrain that conceals militant infrastructure.
The IDF has previously used robotic systems during the war in Gaza, providing ground forces with a strategic edge while reducing exposure to danger, including deploying them to explore Hamas tunnels and enhance the detection and tracking of armed operatives.
Robotic systems not only reduce the danger to troops but also help offset manpower shortages and enable operations in especially challenging environments, including tunnel networks, densely populated urban areas, and other locations that are difficult for ground forces to reach.
The IDF has further expanded its arsenal with the introduction of the “Ro’em” self-propelled howitzer battery developed by Elbit Systems, a platform that leverages advanced technology and artificial intelligence to deliver quicker and more accurate firepower.
Fully automatic, the self-propelled howitzer can fire between six and eight rounds per minute at ranges of up to 40 kilometers.
Hostilities between Hezbollah and Israel reignited on March 2, when the terrorist group opened fire in support of Iran two days after the start of the joint US-Israeli military campaign against the Iranian regime. Since then, Israeli troops have created a “buffer zone” that extends 5 to 10 km (3 to 6 miles) into Lebanon. According to Israeli officials the purpose of the zone is to protect northern Israel from attacks by Hezbollah, which has fired thousands of rockets and drones during the war.
The US mediated a 10-day ceasefire between Israel and Lebanon last week. The deal was separate from Washington’s efforts to de-escalate tensions with Iran, though Tehran had pushed for Lebanon to be included in any broader framework for stopping hostilities.
On Thursday, US President Donald Trump announced a three-week extension of the truce, which was due to expire on Sunday, to allow more time for negotiations and diplomatic efforts.
Even though the US-backed ceasefire has sharply reduced violence, negotiations and prospects for lasting peace remain fragile, with Israeli forces still positioned in southern Lebanon to maintain its buffer zone and dismantle Hezbollah infrastructure.
For its part, Hezbollah, an internationally designated terrorist group that openly seeks Israel’s destruction, maintains it has “the right to resist” what it calls occupying forces, while rejecting any direct negotiations between the two countries.
Even with the truce in place, Israel has warned Lebanese citizens against returning to their homes at this stage, with officials saying that Hezbollah could seek to exploit the situation to reestablish its terrorist infrastructure under civilian cover.
The Lebanese government has now opened direct contacts with Israel despite strong objections from Hezbollah — which was established by Iran’s Islamic Revolutionary Guard Corps (IRGC) in 1982.
With negotiations now underway toward a potential longer-term arrangement, Israel has said its position rests on two core demands: the full disarmament of the Iran-backed terrorist group and a “sustainable” security-based peace framework.
Lebanon has demanded an Israeli withdrawal from the south, the return of Lebanese detainees held in Israel, and the delineation of the land border.
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Antisemitic Incidents Hit Record High in Austria as New Report Warns of Rising Hostility Against Jews
A pro-Hamas demonstration in Vienna. Photo: Reuters/Andreas Stroh
Antisemitism in Austria remained at alarmingly high levels last year, reaching its highest point since records began, according to newly released data that highlighted a persistently hostile environment for Jews and Israelis across Europe, marked by harassment, vandalism, and targeted attacks.
On Thursday, the Antisemitism Reporting Center of the Israelitische Kultusgemeinde Wien (IKG) — the official body tracking antisemitic incidents against Austria’s Jewish community — released its annual report documenting 1,532 cases in 2025, the highest figure on record.
IKG Secretary General Benjamin Nägele warned that these figures signaled a sustained and deeply alarming surge in antisemitic incidents since the Hamas-led invasion of and massacre across southern Israel on Oct. 7, 2023.
“The unrestrained antisemitism that has taken hold since Oct. 7, 2023, has become a constant presence in the daily lives of many Jews,” Nägele said in a statement.
Among the reported cases were 19 physical attacks, 27 threats, 205 incidents of property damage, 439 mass mailings, and 842 instances of offensive behavior, averaging 4.2 incidents per day — slightly higher than 4.13 in 2024.
While the data reflected a decline from the immediate aftermath of the Oct. 7 atrocities, with incidents peaking at 8.13 per day in 2023, the figures remained far above pre-war levels, which averaged just 1.55 incidents daily.
IKG President Oskar Deutsch said the findings underscored the ongoing strain on Jewish life in Austria, pointing to the community’s continued dependence on robust security arrangements.
“Jewish life is only possible thanks to extensive security measures. The Jewish community spends more than five million euros annually on security — resources that are urgently needed elsewhere, such as education, youth work, and cultural life,” Deutsch said in a statement.
According to the report, these trends also reflect a growing normalization of inciting rhetoric that trivializes the Holocaust, equates Israel with Nazi Germany, and frames Palestinians as “the new Jews,” further intensifying an already hostile environment for Jewish communities in Austria.
Johannan Edelman, head of the Antisemitism Reporting Center, said that this “atmospheric antisemitism” fosters growing indifference and numbness toward antisemitic agitation, reflected in a declining willingness to report such incidents.
Edelman also warned that such a hostile environment risked gradually pushing Jewish life out of the public sphere, forcing many Jews to conceal their identities.
The newly released report showed that the most prevalent form of antisemitism in Austria was Israel-related antisemitism, accounting for 1,186 cases (77.4 percent), a dramatic rise from 21 percent in 2020.
However, Holocaust relativization and denial rose sharply to 40.8 percent from 28.7 percent in 2024, while antisemitic “othering” increased to 49 percent from 32 percent, both marking significant gains.
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Israel Votes in Favor of Iran Joining International Cheer Union: ‘The Iranian People Are Not Enemies’
Ludmila Yasinska, far right, posing with members of the Israeli Cheer Union competing at the 2026 ICU World Cheerleading Championships in Orlando, Florida. Photo: Provided
Israel’s representative at the International Cheer Union (ICU) General Meeting in Orlando, Florida, this week voted in favor of Iran becoming a member nation of the organization.
Ludmila Yasinska, president of the Israeli Cheer Union, attended the annual meeting in-person and voted for Iran joining the ICU, the official world governing body for cheerleading.
The decision was approved, and a total of five applicant countries have newly joined the organization: Iran, Sint Maarten, Iceland, Ethiopia, and Sierra Leone. The ICU now has 126 national federation members across all continents, and each receives one vote for all General Meeting voting processes.
“The vote in favor of Iran’s participation in international competitions expresses a clear distinction between the Iranian people and the terrorist regime,” Yasinska told The Algemeiner. “It is a values-based position that sees the Iranian people not as enemies, but as human beings who seek to take part in the international arena, to compete, and to be partners in an open and fair world. It is also a statement of hope — that despite the complex reality, there is room to distinguish between citizens and leadership, and to extend a hand toward a different future.”
“May the day come when we can stand side by side and cheer together,” she added.
According to experts, the vast majority of the Iranian people oppose the authoritarian, Islamist regime that has ruled the country since 1979. In January, the regime’s security forces killed and imprisoned tens of thousands of civilians to crush anti-government protests that erupted across Iran.
The ICU General Meeting took place before the start of the 2026 ICU World Cheerleading Championships. This year, Israel competed in the international competition for the first time ever. The championships started on Wednesday and concluded on Friday.
“It was an amazing feeling and a great source of pride to represent Israel on the world stage,” Yasinska told The Algemeiner. “Despite all the difficult times and the situation in Israel before the championship, we never stopped believing or working toward this moment.”
The competition occurred amid a ceasefire pausing the US-Israeli military campaign against Iran, whose leaders regularly call for Israel’s destruction. Before the temporary truce went into effect, Israelis spent weeks running to bomb shelters as the Iranian regime launched barrages of ballistic missiles at the Jewish state. Iran’s chief terrorist proxy, Hezbollah, also fired rockets at northern Israel from Lebanon.
“There were times when we had to train on Zoom because we could not leave our homes. We also had one intensive week where some of our girls from the north stayed in our homes, just so we could have the opportunity to train together as one team,” Yasinska explained. “After all of this hard preparation, sacrifice, and determination, to finally represent our country was incredibly emotional and meaningful. It is a huge honor for us, and it was very important to show the world that Israel is on the international map of this sport — standing strong, competing proudly, and doing the very best we can.”
In 2021, the ICU was granted full recognition by the International Olympic Committee.