Zero-index metamaterials offer new insights into the foundations of quantum mechanics

Zero-index metamaterials offer new insights into the foundations of quantum mechanics

An illustration of a near-zero index metamaterial shows that as light passes through, it travels in a constant phase. Credit: Second Bay Studios/Harvard SEAS In physics, as in life, it’s always good to see things from different angles. Since the beginning of quantum physics, the way light travels and interacts with the matter around it…

WSJ News Exclusive |  Twitter is reviewing Elon Musk’s offer and may be more receptive to a deal

WSJ News Exclusive | Twitter is reviewing Elon Musk’s offer and may be more receptive to a deal

Twitter Inc. TWTR 3.93% is revisiting Elon Musk’s $43 billion takeover bid after the billionaire funded the offer, a sign the social media company may be more receptive to a deal. Twitter was expected to reject the offer, which Mr Musk made earlier this month without saying how he would pay for it. But after…

With a fearless offer on Twitter, Elon Musk fights against the naysayers

With a fearless offer on Twitter, Elon Musk fights against the naysayers

The list of suitors who considered buying Twitter — then moved on without a second thought — is too long to count down one side, and maybe two or three. That’s partly because for all its relevance to breaking news, starting revolutions — and generally increasing cortisol levels at breakfast, lunch, and dinner — Twitter…