Common Birds: Black and White or Gray and White Birds. Dark-eyed Junco: 5 1/2 to 6 3/4  in size. Juncos are small, dark gray birds with white bellies. Juncos look different in different regions of the United States. In the East, Juncos are dark gray with white underparts and white outer tail feathers.
The European Spallation Source (ESS) is a multi-disciplinary research facility based on what will be the world's most powerful neutron source. It is currently under construction in Lund, Sweden. At least 17 European countries will act as partners in the construction and operation of ESS.
What is ANSYS. ANSYS is a general purpose software, used to simulate interactions of all disciplines of physics, structural, vibration, fluid dynamics, heat transfer and electromagnetic for engineers. So ANSYS, which enables to simulate tests or working conditions, enables to test in virtual environment before manufacturing prototypes of products.