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Bài viết của Trần Bảo Ngọc

Overview of Photosynthesis

All living organisms on earth consist of one or more cells. Each cell runs on the chemical energy found mainly in carbohydrate molecules (food), and the majority of these molecules are produced by one process: photosynthesis. Through photosynthesis, certain ...

Tác giả: Trần Bảo Ngọc viết 15:06 ngày 25/05/2018 chỉnh sửa

The Genome

The continuity of life from one cell to another has its foundation in the reproduction of cells by way of the cell cycle. The cell cycle is an orderly sequence of events in the life of a cell from the division of a single parent cell to produce two new daughter ...

Tác giả: Trần Bảo Ngọc viết 15:06 ngày 25/05/2018 chỉnh sửa

The Scope of Ecology

Ecology is the study of the interactions of living organisms with their environment. One core goal of ecology is to understand the distribution and abundance of living things in the physical environment. Attainment of this goal requires the integration of ...

Tác giả: Trần Bảo Ngọc viết 15:06 ngày 25/05/2018 chỉnh sửa

The First Condition for Equilibrium

The first condition necessary to achieve equilibrium is the one already mentioned: the net external force on the system must be zero. Expressed as an equation, this is simply ...

Tác giả: Trần Bảo Ngọc viết 15:06 ngày 25/05/2018 chỉnh sửa

GUTs: The Unification of Forces

Present quests to show that the four basic forces are different manifestations of a single unified force follow a long tradition. In the 19th century, the distinct electric and magnetic forces were shown to be intimately connected and are now collectively ...

Tác giả: Trần Bảo Ngọc viết 15:05 ngày 25/05/2018 chỉnh sửa

Introduction to Frontiers of Physics

This galaxy is ejecting huge jets of matter, powered by an immensely massive black hole at its center. (credit: X-ray: NASA/CXC/CfA/R. Kraft et al.) Frontiers are exciting. There is mystery, surprise, adventure, ...

Tác giả: Trần Bảo Ngọc viết 15:05 ngày 25/05/2018 chỉnh sửa

Theoretical Perspectives

Sociologists develop theories to explain social occurrences such as protest rallies. (Photo courtesy of voanews.com/Wikimedia Commons) Sociologists study social events, interactions, and patterns. They then develop theories to explain ...

Tác giả: Trần Bảo Ngọc viết 15:05 ngày 25/05/2018 chỉnh sửa

Nerve Conduction–Electrocardiograms

Electric currents in the vastly complex system of billions of nerves in our body allow us to sense the world, control parts of our body, and think. These are representative of the three major functions of ...

Tác giả: Trần Bảo Ngọc viết 15:05 ngày 25/05/2018 chỉnh sửa

The Four Basic Forces

As first discussed in Problem-Solving Strategies and mentioned at various points in the text since then, there are only four distinct basic forces in all of nature. This is a remarkably small number considering the myriad phenomena they explain. Particle ...

Tác giả: Trần Bảo Ngọc viết 15:05 ngày 25/05/2018 chỉnh sửa

More Applications of Magnetism

The curved paths followed by charged particles in magnetic fields can be put to use. A charged particle moving perpendicular to a magnetic field travels in a circular path having a radius r size 12{r} {}. ...

Tác giả: Trần Bảo Ngọc viết 15:05 ngày 25/05/2018 chỉnh sửa