Beginner16:30

Do home security devices really make us safer?

The video discusses various electronic products related to home security, including smart doorbells, smart locks, home cameras, and facial recognition door locks. It highlights the convenience and potential safety concerns of using these electronic devices in daily life.

This video is owned by Comprehensible Mandarin and is hosted on YouTube. We do not claim ownership. All rights belong to the original creator.

Published on 2023-03-12

Comprehensible Mandarin
Comprehensible Mandarin

Related videos

Mesopotamia: Origin of human civilization
08:31

Intermediate

Mesopotamia: Origin of human civilizationThe video discusses the origins of human civilization in Mesopotamia, highlighting its contributions to agriculture, writing, and urban development, which had a significant impact on ancient and modern societies globally.Comprehensible Mandarin
Government services
10:18

Beginner

Government servicesThe video discusses how governments serve citizens, providing services such as education, healthcare, transportation, safety, and environmental protection. These services aim to improve people's lives and create a better society.Comprehensible Mandarin
Math in nature
09:02

Intermediate

Math in natureThe video explores the relationship between mathematics and the natural world, highlighting how mathematical patterns can be found in plants, animals, and even in human anatomy. It showcases how these mathematical principles create order and beauty in our world.Comprehensible Mandarin
Climate change
10:14

Beginner

Climate changeThe video discusses the important issue of climate change, highlighting its impact on the environment, wildlife, and humans. It urges individuals to take small steps such as conserving energy, supporting green energy, and reducing waste to help combat the urgent problem of climate change.Comprehensible Mandarin
Euclid: his life & contributions
10:07

Intermediate

Euclid: his life & contributionsThe video discusses the life and contributions of Euclid, a famous mathematician from ancient Greece. Euclid's work on geometry, particularly in his book "Elements," laid the foundation for mathematics and scientific development, with his axiomatic method becoming a fundamental framework for mathematical proofs.Comprehensible Mandarin
Gas vs Electric Vehicles
05:31

Intermediate

Gas vs Electric VehiclesThe video discusses the differences between traditional fuel cars and new energy cars, highlighting the convenience of refueling for fuel cars and the anxiety some experience with charging for electric cars. It also mentions the emergence of innovative charging methods and asks viewers to share their preference between the two types of vehicles.Comprehensible Mandarin
How printing drove history in Chinese
09:39

Intermediate

How printing drove history in ChineseThe video discusses how the invention and improvement of printing technology has driven human history by making books more accessible, promoting education, sparking intellectual discussions, enabling scientific progress, and facilitating the dissemination of news and information. It ultimately changed various aspects of society and contributed to advancements across different fields.Comprehensible Mandarin
Effect on science & technology of Pythagorean theorem
10:06

Intermediate

Effect on science & technology of Pythagorean theoremThe video explores the impact of the Pythagorean theorem on technology development, highlighting its vital role in various fields such as architecture, navigation, medicine, and astronomy. It emphasizes how this seemingly simple mathematical concept has significantly contributed to solving complex problems, designing better products, and shaping the world we live in.Comprehensible Mandarin
Math pt2
06:11

Beginner

Math pt2The video discusses how to measure and express remaining quantities using numbers, using the example of sharing a pizza with a friend. It also covers concepts like width, height, depth, and length in relation to objects like cabinets and ropes.Comprehensible Mandarin
Math pt1: lines curves shapes
09:38

Beginner

Math pt1: lines curves shapesIn this video, the teacher explains various mathematical concepts such as lines, shapes, and solid figures in Chinese, using illustrations to demonstrate them. The video covers topics like straight lines, curves, squares, triangles, and even three-dimensional shapes like cylinders and cones.Comprehensible Mandarin
How the age of Discovery changed the world
10:01

Intermediate

How the age of Discovery changed the worldThe video discusses the impact of the Age of Exploration on the world, highlighting how it led to global connections and the dominance of Europe as a major power. It also emphasizes the importance of respecting different cultures and people for progress in a globalized world.Comprehensible Mandarin
Why does the moon change shape?
09:59

Intermediate

Why does the moon change shape?The video explains why the shape of the moon changes, attributing it to the angle at which sunlight hits the moon's surface as it orbits Earth. It also touches on the cultural significance of the moon in traditions like Mid-Autumn Festival, emphasizing the beauty and wonder of celestial phenomena.Comprehensible Mandarin
Music & Math
10:35

Intermediate

Music & MathThe video explores the relationship between music and mathematics, showing how they are interconnected through concepts such as scales, rhythms, chords, therapy, composition, acoustics, and geometry, all contributing to the creation of beautiful music.Comprehensible Mandarin
How plants grow
09:56

Intermediate

How plants growThe video explains the process of how plants grow from a seed to maturity, highlighting the importance of sunlight, water, soil, and air in supporting their growth. It emphasizes the wonder of nature and how understanding plant growth can help us care for plants better and respect the natural world.Comprehensible Mandarin
Shapes
09:45

Beginner

ShapesThe video explores the world of shapes, focusing on the characteristics and applications of squares, circles, and triangles in our everyday lives, from architecture to art. Understanding these basic shapes not only enhances our mathematical knowledge but also enriches our appreciation of the diverse world around us.Comprehensible Mandarin
Climate change
05:01

Intermediate

Climate changeThe video discusses climate change as a critical global issue caused by human activities like industrialization and greenhouse gas emissions, leading to global warming, extreme weather events, and threats to biodiversity. It emphasizes the importance of individual and collective efforts to reduce carbon emissions, promote clean energy, and protect the environment for a healthier and better future.Comprehensible Mandarin
Basic Maths in daily life
10:27

Beginner

Basic Maths in daily lifeThe video discusses how math is applied in daily life, such as shopping, cooking, managing time, financial planning, traveling, and health & fitness. It highlights various scenarios where math plays a crucial role in everyday activities.Comprehensible Mandarin
Earthquakes & precursors
10:14

Intermediate

Earthquakes & precursorsThe video discusses various potential premonitions of earthquakes, such as unusual animal behavior, fish jumping out of tanks, insects emerging, strange clouds, underground noises, and abnormal fluctuations in groundwater levels. These signs are believed to serve as warnings before an earthquake occurs.Comprehensible Mandarin
Surveying equipment
11:39

Advanced

Surveying equipmentThe video tutorial demonstrates the use of engineering surveying instruments, focusing on the leveling instrument. It covers the setup, components, and calibration procedures of the automatic leveling instrument and DS3 leveling instrument.Comprehensible Mandarin
Spear vs shield
05:45

Intermediate

Spear vs shieldThe video discusses how a spear and a shield are powerful weapons that can defeat each other in a clash. This concept is used to explain the idea of contradiction or conflict, known as "矛盾" in Chinese.Comprehensible Mandarin
Geography
08:27

Beginner

GeographyThis video discusses various geographical features of the Earth, such as oceans, mountains, and canyons. It also touches on different weather phenomena like rain, thunderstorms, and rainbows, highlighting the diverse and beautiful aspects of our planet.Comprehensible Mandarin