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THE DAILY INDEX

Technology, AI, software, security, crypto and business

Across today’s newsletters

Today’s Index

MICROSTRATEGY BUYS $593.3 MILLION IN BITCOIN, MAY RAISE UP TO $750 MILLION IN NEW STOCK SALE

Michael Saylor’s MicroStrategy announced it has bought an additional 16,130 bitcoins for $593.3 million, its biggest purchase in over two years. This brings the company’s total holdings to 174,540 bitcoins. The firm has announced plans to potentially raise an extra $750 million by selling new Class A common stock to buy more bitcoin. The company's average price per bitcoin in this purchase was $36,785.

MACBOOK AIR GETS SOLID-STATE ACTIVE COOLING IN INTRIGUING DEMO

Frore Systems, a California-based startup, has developed what it describes as the first solid-state active cooling chip. It recently equipped the M2 15-inch MacBook Air with three of its chips, bringing MacBook Pro-comparable performance to sustained heavy workloads on the device. Frore has no publicly disclosed deals with any laptop vendors, but it is in collaboration with a number of the major laptop OEMs. The company is getting interest from various consumer segments and the industrial, data center, and automotive spaces.

THE FUTURE OF AVIATION

Human aviation is one of the most improbable of all human achievements, yet we live in a world with a global fleet of airplanes in the tens of thousands. There is still much to be desired in the aviation industry, but progress seems to be difficult to achieve. This article looks at the principles upon which the aviation industry was built and the challenges holding it back today. The incredibly large sonic booms produced by going supersonic made supersonic travel unacceptable. Several organizations, including NASA, are working on ways to quiet the boom.

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