科学与环境

Robot successfully builds space structure in first autonomous construction demo

来源: Phys.org - latest science and technology news stories · 发布于

Robot successfully builds space structure in first autonomous construction demo
来源: Phys.org - latest science and technology news stories

A robotic truss builder that was conceived, designed and built by Caltech researchers has successfully built a structure in space—without the help of astronauts—for the first time. The truss builder, part of DARPA's Novel Orbital and Moon Manufacturing, Materials, and Mass-effici

A robotic truss builder that was conceived, designed and built by Caltech researchers has successfully built a structure in space—without the help of astronauts—for the first time. The truss builder, part of DARPA's Novel Orbital and Moon Manufacturing, Materials, and Mass-efficient Design (NOM4D) program, consists of an autonomous manipulator that picks up struts and joints held in nearby dispensers to repeatedly assemble identical sections, or bays, of a perimeter truss.

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Vibrating mirrors of light create analog of a black hole event horizon
科学与环境

Vibrating mirrors of light create analog of a black hole event horizon

Optical cavities are pairs of light-trapping mirrors and underpin the operation of lasers, atomic clocks and many types of precision sensors. If the distance between the mirrors is changed rapidly enough, some theories predict that the waves inside them should bunch together into

Phys.org - latest science and technology news stories ·

States tax sports betting heavily, but gamblers may barely feel it
科学与环境

States tax sports betting heavily, but gamblers may barely feel it

Sports betting has grown explosively since 2018, when a U.S. Supreme Court ruling struck down a federal ban on it. Now, Americans wager more than $165 billion on sports annually, contributing to an industry larger than state-run lotteries even excluding prediction markets such as

Phys.org - latest science and technology news stories ·