Iran to Cold Test Redesigned Arak Nuclear Reactor

Above, the nuclear water reactor of Arak in this handout released by Iran’s Atomic Energy Organization on December 23, 2019. (Atomic Energy Organization of Iran/AFP)
Above, the nuclear water reactor of Arak in this handout released by Iran’s Atomic Energy Organization on December 23, 2019. (Atomic Energy Organization of Iran/AFP)
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Iran to Cold Test Redesigned Arak Nuclear Reactor

Above, the nuclear water reactor of Arak in this handout released by Iran’s Atomic Energy Organization on December 23, 2019. (Atomic Energy Organization of Iran/AFP)
Above, the nuclear water reactor of Arak in this handout released by Iran’s Atomic Energy Organization on December 23, 2019. (Atomic Energy Organization of Iran/AFP)

Iran will cold test its redesigned Arak nuclear reactor as prelude to fully commissioning it later in the year, Iran’s Atomic Energy Organization said on Friday.

Spokesman Behrouz Kamalvandi was quoted by local media as saying the cold testing, which usually include the initial startup of fluid systems and support systems, will take place early in the Iranian new year that begins this Sunday, Reuters reported.

“In other words, we have advanced work in the field of fuel, storage, etc,” Kamalvandi said.

Iran has recently accelerated its breaches of the 2015 international nuclear deal in an apparent bid to pressure US President Joe Biden to reverse his predecessor’s abandonment of the agreement. Both sides are locked in a standoff over who should move first to save the deal.

Iran agreed to shut down the reactor at Arak – about 250 kilometers southwest of Tehran – under the 2015 deal. It was allowed to produce a limited amount of heavy water and Tehran has been working on redesigning the reactor. It says it plans to make isotopes for medical and agricultural use.

The International Atomic Energy Agency said in a report to member states earlier this week that Iran has started enriching uranium at its underground Natanz plant with a second type of advanced centrifuge, the IR-4, in a further breach of the deal.

Last year Iran started moving three cascades, or clusters, of different advanced models of centrifuge from an above-ground plant at Natanz to its below-ground Fuel Enrichment Plant (FEP). It is already enriching underground with IR-2m centrifuges. The deal only lets it enrich there with first-generation IR-1 machines.

Iran is enriching up to 20 percent purity at another plant, Fordow.



Microsoft Workers Say They’ve Been Fired after 50th Anniversary Protest over Israel Contract 

A pro-Palestinian demonstrator, Ibtihal Aboussad, is escorted away by security as they interrupt Microsoft AI CEO Mustafa Suleyman during a presentation of the company's AI assistant, Copilot, ahead of a 50th Anniversary presentation at Microsoft headquarters, Friday, April 4, 2025, in Redmond, Wash. (AP)
A pro-Palestinian demonstrator, Ibtihal Aboussad, is escorted away by security as they interrupt Microsoft AI CEO Mustafa Suleyman during a presentation of the company's AI assistant, Copilot, ahead of a 50th Anniversary presentation at Microsoft headquarters, Friday, April 4, 2025, in Redmond, Wash. (AP)
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Microsoft Workers Say They’ve Been Fired after 50th Anniversary Protest over Israel Contract 

A pro-Palestinian demonstrator, Ibtihal Aboussad, is escorted away by security as they interrupt Microsoft AI CEO Mustafa Suleyman during a presentation of the company's AI assistant, Copilot, ahead of a 50th Anniversary presentation at Microsoft headquarters, Friday, April 4, 2025, in Redmond, Wash. (AP)
A pro-Palestinian demonstrator, Ibtihal Aboussad, is escorted away by security as they interrupt Microsoft AI CEO Mustafa Suleyman during a presentation of the company's AI assistant, Copilot, ahead of a 50th Anniversary presentation at Microsoft headquarters, Friday, April 4, 2025, in Redmond, Wash. (AP)

Microsoft has fired two employees who interrupted the company's 50th anniversary celebration to protest its work supplying artificial intelligence technology to the Israeli military, according to a group representing the workers.

Microsoft accused one of the workers in a termination letter Monday of misconduct "designed to gain notoriety and cause maximum disruption to this highly anticipated event." Microsoft says the other worker had already announced her resignation, but on Monday it ordered her to leave five days early.

The protests began Friday when Microsoft software engineer Ibtihal Aboussad walked up toward a stage where an executive was announcing new product features and a long-term vision for Microsoft's AI ambitions.

"You claim that you care about using AI for good but Microsoft sells AI weapons to the Israeli military," Aboussad shouted at Microsoft AI CEO Mustafa Suleyman. "Fifty-thousand people have died and Microsoft powers this genocide in our region."

The protest forced Suleyman to pause his talk while it was being livestreamed from Microsoft's campus in Redmond, Washington. Among the participants at the 50th anniversary of Microsoft's founding were co-founder Bill Gates and former CEO Steve Ballmer.

Microsoft said Suleyman calmly tried to de-escalate the situation. "Thank you for your protest, I hear you," he said. Aboussad continued, shouting that Suleyman and "all of Microsoft" had blood on their hands. She also threw onto the stage a keffiyeh scarf, which has become a symbol of support for Palestinian people, before being escorted out of the event.

A second protester, Microsoft employee Vaniya Agrawal, interrupted a later part of the event.

Aboussad, based at Microsoft's Canadian headquarters in Toronto, was invited on Monday to a call with a human resources representative at which she was told she was being fired immediately, according to the advocacy group No Azure for Apartheid, which has protested the sale of Microsoft’s Azure cloud computing platform to Israel.

An investigation by The Associated Press revealed earlier this year that AI models from Microsoft and OpenAI had been used as part of an Israeli military program to select bombing targets during the recent wars in Gaza and Lebanon. The story also contained details of an errant Israeli airstrike in 2023 that struck a vehicle carrying members of a Lebanese family, killing three young girls and their grandmother.

In its termination letter, Microsoft told Aboussad she could have raised her concerns confidentially to a manager. Instead, it said she made "hostile, unprovoked, and highly inappropriate accusations" against Suleyman and the company and that her "conduct was so aggressive and disruptive that you had to be escorted out of the room by security."

Agrawal had already given her two weeks notice and was preparing to leave the company on April 11, but on Monday a manager emailed that Microsoft "has decided to make your resignation immediately effective today."

It was the most public but not the first protest over Microsoft's work with Israel. In February, five Microsoft employees were ejected from a meeting with CEO Satya Nadella for protesting the contracts.

"We provide many avenues for all voices to be heard," said a statement from the company Friday. "Importantly, we ask that this be done in a way that does not cause a business disruption. If that happens, we ask participants to relocate. We are committed to ensuring our business practices uphold the highest standards."

Microsoft had declined to say Friday whether it was taking further action, but Aboussad and Agrawal expected it was coming after both lost access to their work accounts shortly after the protest.

Dozens of Google workers were fired last year after internal protests over a contract it also has with the Israeli government. Employee sit-ins at Google offices in New York and Sunnyvale, California targeted a $1.2 billion deal known as Project Nimbus providing AI technology to the Israeli government.

The Google workers later filed a complaint with the National Labor Relations Board in an attempt to get their jobs back.