In those mechanisms, a high-torque, low backlash gearbox might be just the thing, and a 3D printable split planetary ... gear with two planet gears orbiting, each of which engages a fixed ring ...

A single planetary gear set consists of a central sun gear surrounded by a ring gear and smaller planet gears rotating between them on a planet gear carrier. Compound planetary gear sets multiply the ...

The motor is geared to the planetary ring gear. At launch, the sun is locked to the case so that power flows through the planetary carrier for an overall ratio of 17.0:1. Then around 30 mph ...

Planetary rings are among the most intriguing structures of our solar system and have fascinated generations of astronomers. Collating emerging knowledge in the field, this volume reviews our current ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

Whether as a sponsor or donor, a member or volunteer, or an employee or fellow, you can make a difference. The ultimate goal of planetary protection for outbound missions is to prevent harmful ...

Planet position forms the base that sets the mechanics of astrology in motion. The planetary position gives the degree, minutes and seconds of the Zodiac over which celestial bodies are transiting at ...

Heather Wishart-Smith is a board director who covers innovation. Planetary health is an emerging field that seeks to harmonize human health with the health of our planet, creating solutions that ...

Planetary science is the study of the celestial bodies that orbit stars, with a particular focus on our own solar system. This includes studying the formation and evolution of planets, the moons ...

Plastic pollution exacerbates the impacts of all planetary boundaries, including climate change, ocean acidification and biodiversity loss, a new paper shows. Ahead of the final negotiations of ...