Researchers have demonstrated that a laser can transmit an audible message to a person without any type of receiver equipment. The ability to send highly targeted audio signals over the air could be used to communicate across noisy rooms, or warn individuals of a dangerous situation such as an active shooter.
In the quest for smaller, faster 2D processors, researchers have developed a new thermal lithography process with potential for mass production at higher quality and lower cost.
The first direct evidence of white dwarf stars solidifying into crystals has been discovered by astronomers. Our own Sun will meet this fate in 10 billion years.
New machines, which could see human clinical trials in the 2020s, will reduce the side effects of radiation therapy by vastly shrinking the length of a typical session.
In this book, Stephen Hawking leaves us with his final thoughts on the universe's biggest questions. He makes predictions on the future of humanity, including a race of "superhumans" that could emerge as people choose to upgrade themselves.
