In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

There are thousands of known exoplanets, many of which are too dark to directly see, but scientists have made a 3D map by ...

What I found instead was uneven lighting, particularly in the area that concerned me the most: consumer-grade energy storage ...

Abstract: The research described in this article focused on developing a process to produce microelectrodes $20 \mu \mathrm{~m}$ long/ $10 \mu \mathrm{~m}$ wide ($\lt {5 0} \mu \mathrm{m}$ sideway ...

Abstract: This paper focuses on the design of a multi-beam flat GRadient INdex (GRIN) lens antenna. The lens profile is found analytically in conjunction with an arc feed trajectory to produce an ...