Danh sách bài viết của Nguyễn Mỹ Hương

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Bài viết của Nguyễn Mỹ Hương

Introduction to Science and the Realm of Physics, Physical Quantities, and Units

Galaxies are as immense as atoms are small. Yet the same laws of physics describe both, and all the rest of nature—an indication of the underlying unity in the universe. The laws of physics are surprisingly few in number, implying an underlying simplicity ...

Tác giả: Nguyễn Mỹ Hương viết 15:03 ngày 25/05/2018 chỉnh sửa

Superphylum Deuterostomia

The phyla Echinodermata and Chordata (the phylum in which humans are placed) both belong to the superphylum Deuterostomia. Recall that protostome and deuterostomes differ in certain aspects of their embryonic development, and they are named based on which ...

Tác giả: Nguyễn Mỹ Hương viết 15:03 ngày 25/05/2018 chỉnh sửa

Motional Emf

As we have seen, any change in magnetic flux induces an emf opposing that change—a process known as induction. Motion is one of the major causes of induction. For example, a magnet moved toward a coil induces an emf, and a coil moved toward a magnet ...

Tác giả: Nguyễn Mỹ Hương viết 15:03 ngày 25/05/2018 chỉnh sửa

Mendel’s Experiments

Johann Gregor Mendel set the framework for the study of genetics. Johann Gregor Mendel (1822–1884) ([link]) was a lifelong learner, teacher, scientist, and man of faith. As a young adult, he joined the Augustinian Abbey of St. Thomas in Brno in what is now ...

Tác giả: Nguyễn Mỹ Hương viết 15:03 ngày 25/05/2018 chỉnh sửa

Image Formation by Lenses

Lenses are found in a huge array of optical instruments, ranging from a simple magnifying glass to the eye to a camera’s zoom lens. In this section, we will use the law of refraction to explore the properties of lenses and how they form images. ...

Tác giả: Nguyễn Mỹ Hương viết 15:03 ngày 25/05/2018 chỉnh sửa

Introduction to Education

Schools teach us far more than reading, writing, and arithmetic. They also socialize us to cultural norms and expectations. (Photo courtesy of Editor B/flickr) From the moment a child is born, his or her education begins. At ...

Tác giả: Nguyễn Mỹ Hương viết 15:02 ngày 25/05/2018 chỉnh sửa

Magnetic Force between Two Parallel Conductors

You might expect that there are significant forces between current-carrying wires, since ordinary currents produce significant magnetic fields and these fields exert significant forces on ordinary currents. But you might not expect that the force between ...

Tác giả: Nguyễn Mỹ Hương viết 15:02 ngày 25/05/2018 chỉnh sửa