Breakthrough magnet design could transform MRI and magnetic levitation

Physicists Prof. Dr. Ingo Rehberg from the University of Bayreuth and Dr. Peter Blümler from Johannes Gutenberg University Mainz have developed and experimentally validated an innovative approach for generating homogeneous magnetic fields using permanent magnets. Their method outperforms the classical Halbach arrangement — which is optimal only for infinitely long and therefore unrealizable magnets —…

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Iran’s supreme leader faces his defining moment

For decades Iran’s supreme leader has sought to balance his ideological hostility towards the US and Israel with a pragmatic desire to avoid all-out war. But now that US President Donald Trump has joined Israeli Prime Minister Benjamin Netanyahu in taking the fight to the Islamic republic, Ayatollah Ali Khamenei faces the most consequential decision…

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The perils of war with Iran

Unlock the White House Watch newsletter for free Your guide to what Trump’s second term means for Washington, business and the world Going to war is always a gamble. Iran, Israel and now the US have all rolled the dice. In the short term, it looks as if Israel’s gamble has succeeded. The government of…

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