Capital Bikeshare
Capital Bikeshare (also abbreviated CaBi) is a bicycle-sharing system that serves Washington, D.C., and certain counties of the larger metropolitan area. As of August 2025, it had 800+ stations and more than 8,000 bicycles.
Interstellar medium
The interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy. This matter includes gas in ionic, atomic, and molecular form, as well as dust and cosmic rays.
Advanced Stirling radioisotope generator
The advanced Stirling radioisotope generator (ASRG) is a radioisotope power system first developed at NASA's Glenn Research Center. It uses a Stirling power conversion technology to convert radioactive-decay heat into electricity for use on spacecraft.
Cradle of civilization
The earliest human civilizations developed independently of each other and a cradle of civilization is a location and a culture from which one of them emerged. A civilization is any complex society characterized by the development of a state, social stratification, urbanization, and symbolic systems of communication…
Energy engineering
Energy engineering is a multidisciplinary field of engineering that focuses on optimizing energy systems, developing renewable energy technologies, and improving energy efficiency to meet the world's growing demand for energy in a sustainable manner. It encompasses areas such as energy harvesting and storage, energy…
Exploration of Mars
The planet Mars has been explored remotely by spacecraft. Probes sent from Earth, beginning in the late 20th century, have yielded a large increase in knowledge about the Martian system, focused primarily on understanding its geology and habitability potential.
Heating, ventilation, and air conditioning
Heating, ventilation, and air conditioning (HVAC ) systems regulate temperature, humidity, and indoor air quality in vehicles and buildings. They are designed to provide thermal comfort and to control airborne contaminants through heating, cooling, ventilation, filtration, and humidity control.
Heat recovery ventilation
Heat recovery ventilation (HRV), also known as mechanical ventilation heat recovery (MVHR) is a ventilation system that recovers energy by operating between two air sources at different temperatures. It is used to reduce the heating and cooling demands of buildings.
Electric vehicle charging infrastructure
An electric vehicle charging network is an infrastructure system of charging stations to recharge electric vehicles. The term electric vehicle infrastructure (EVI) may refer to charging stations in general or the network of charging stations across a nation or region.
Panasonic
Panasonic Holdings Corporation, colloquially known as Panasonic, is a Japanese multinational electronics manufacturer, headquartered in Kadoma, Osaka, Japan. It produces a wide range of products and services, including consumer electronics, rechargeable batteries, automotive and avionic systems, industrial equipment,…