## How to understand the black hole image

One of the main objectives of science education has been to improve students’ scientific habits of mind, grow their capacity to participate in scientific inquiry, and teach them how to reason in a scientific sense since its inception [1, 2]. However, there has always been a conflict between the focus that should be placed on improving awareness of scientific material and the emphasis that should be placed on scientific activities. Students are left with simplistic conceptions of the essence of scientific inquiry [3] and the belief that science is merely a collection of isolated facts [4] as a result of a limited emphasis on content alone.
This chapter emphasizes the importance of increasing students’ understanding of how science and engineering accomplish their goals while also improving their competency in related activities. As previously stated, we use the word “practices” rather than “skills” to emphasize that scientific inquiry necessitates simultaneous coordination of both experience and expertise.

## Nets of solids – part 1 | visualising solid shapes | don’t

### But what is a neural network? | deep learning, chapter 1

The Illumination Models and BRDF principles, as well as the Phong Model

### Physics 3.5.3e – dropping a bomb – projectile motion

Original Source Code

### The best stats you’ve ever seen | hans rosling

Phong reflection form, BRDF, reflection model, specular reflection, shiny, roughness

### Passing with accuracy + control – how to pass a

We don’t claim to be able to display the object in its entirety, including texture, overcast shadows, and so on. We just want to show a picture that is similar enough to the real thing to be believable. Tuong Phong Bui
Before we get into the BRDF and illumination models, let’s take a look at a technique for simulating the appearance of a glossy surface, such as a plastic ball. From there, generalizing the technique would be simpler, which is what the BRDF and illumination or reflection model are all about.
We learned how to simulate the presence of mirror-like and diffuse surfaces in the previous class. What about shiny surfaces, though? To begin, keep in mind that the plastic ball we just discussed has more to it than a merely glossy surface. It can be defined as having both a diffuse and a glossy component, as do most materials (the shiny or specular reflections that you can see in the ball from figure 1). The reasons for the dual properties of many products are not all the same. In certain cases, it’s actually due to the material’s composition, which is made up of various materials. A plastic ball, for example, may be made of diffusers such as flakes or small particles that are stuck together by a polymer that is reflective (and sometimes transmissive) in nature. Light is diffused by the flakes or small particles, while light is reflected by the polymer. Objects consisting of multiple materials stacked on top of each other are used in other situations. Many fruits’ skins behave in this way. For example, an orange has a thick skin layer that acts as a diffuse surface, which is then covered by a thin oily layer that acts as a specular or reflective surface. In summary, the appearance of many materials can be described as having a diffuse and a specular or glossy portion. This definition may be expressed as an equation:

### Voyage into the world of atoms

All orbitals textbook tetrahedron structural space fi lling ball and stick all orbitals textbook orbitals structural space orbitals and molecular representation 109 nm 154 nm 134 nm 106 nm 120 nm What diagram represents the vector addition cab in the diagram above? Until reaching the turf, a horizontally thrown ball with a speed of vi 270 ms travels a horizontal distance of d 530 m.
If you’re launching a balloon, a baseball, or an arrow, both projectiles follow a very predictable course, making them an excellent tool for kinematics research. And there’s white hydrogen, too. It is a quite an if correct.
What diagram in the diagram above represents the vector subtraction ca b? Carbon c is represented by black. Create a visual outline that includes a pictorial representation of the motion’s beginning and end points.
The horizontal acceleration will be zero, and the vertical acceleration will be freefall. A vector diagram, for example, may be used to depict the motion of a car traveling down the road. The balls are color-coded.

### Understanding 4d — the tesseract

Isometric drawing is used to create certain 3D forms. The true lengths as found in an orthographic projection are represented by the black dimensions. When using the isometric drawing process, the red dimensions are used. The same 3D forms drawn in isometric projection would appear smaller; the object’s sides would be foreshortened by around 80%.
In technical and engineering drawings, isometric projection is a technique for visually depicting three-dimensional structures in two dimensions. It’s an axonometric projection in which all three coordinate axes are similarly foreshortened and every two of them have a 120-degree angle between them.
The angles between the projections of the x, y, and z axes must all be the same, or 120°, to obtain an isometric view of an object. For a cube, for example, this is achieved by looking straight at one face first. The cube is then rotated 45 degrees around the vertical axis, then 35.264 degrees around the horizontal axis (precisely arcsin 13 or arctan 12, which is related to the Magic angle). The perimeter of the resulting 2D drawing is a perfect regular hexagon with the cube (see image): all the black lines are the same length, and all the cube’s faces are the same place. Isometric graph paper may be used under regular drawing paper to achieve the effect without having to calculate it.