Lec 10: Batteries and EMF | 8.02 Electricity and Magnetism, Spring 2002 (Walter Lewin)

2024/05/2104:16:14 science 38609

Lec 10: Batteries and EMF | 8.02 Electricity and Magnetism, Spring 2002 (Walter Lewin) - DayDayNews

Lec 10: Batteries and EMF | 8.02 Electricity and Magnetism, Spring 2002 (Walter Lewin) - DayDayNews

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As a girl, I am actually resistant to the psychology of insects, but as a mother, I am brave. The saying "motherhood brings strength" is correct in this regard. - DayDayNews

As a girl, I am actually resistant to the psychology of insects, but as a mother, I am brave. The saying "motherhood brings strength" is correct in this regard.

From today on, fall in love with the cute little insects

05/31 1282

Recently, research in "Developmental Cells" revealed a key signaling molecule that can activate hair growth, providing a therapeutic target for the treatment of androgenetic alopecia, namely: the "SCUBE3" molecule. - DayDayNews

Recently, research in "Developmental Cells" revealed a key signaling molecule that can activate hair growth, providing a therapeutic target for the treatment of androgenetic alopecia, namely: the "SCUBE3" molecule.

Zuckerberg invested hundreds of millions! A molecule called "SCUBE3" can effectively stimulate hair growth

06/01 1674

A new Tel Aviv University study proposes a new AIDS treatment that could be turned into a vaccine or a one-time treatment for HIV patients. The study looked at modifying type B white blood cells in patients so that they release anti-HIV antibodies in response to the virus. - DayDayNews

A new Tel Aviv University study proposes a new AIDS treatment that could be turned into a vaccine or a one-time treatment for HIV patients. The study looked at modifying type B white blood cells in patients so that they release anti-HIV antibodies in response to the virus.

Scientists propose potential AIDS treatment: HIV may be defeated with a single injection

06/01 1843

A study published by Columbia University researchers in the journal Nature on the 5th showed that the latest Omicron subtypes, such as BA.4 and BA.5, which have caused a surge in new infections around the world, are more likely to evade vaccines than previous variants. and most a - DayDayNews

A study published by Columbia University researchers in the journal Nature on the 5th showed that the latest Omicron subtypes, such as BA.4 and BA.5, which have caused a surge in new infections around the world, are more likely to evade vaccines than previous variants. and most a

Omicron subtypes more likely to evade vaccines, treatments

06/02 1268

Volcanoes are a common landform feature that give us the impression of danger, high temperature, and poison. Once we encounter a volcanic eruption at close range, our lives are likely to be in danger. This is relative to public perception, and is more based on the fact that the p - DayDayNews

Volcanoes are a common landform feature that give us the impression of danger, high temperature, and poison. Once we encounter a volcanic eruption at close range, our lives are likely to be in danger. This is relative to public perception, and is more based on the fact that the p

Do you think that you will definitely die if you fall into the volcanic lava? In fact, you are not.

06/01 1799

Digital transformation of natural resource ecological security and land space ecological restoration Organizational units: Shanghai Jiao Tong University School of Design, China Urban Governance Research Institute, China Ecological Society Ecological Management Special Committee T - DayDayNews

Digital transformation of natural resource ecological security and land space ecological restoration Organizational units: Shanghai Jiao Tong University School of Design, China Urban Governance Research Institute, China Ecological Society Ecological Management Special Committee T

"Digital Transformation of Natural Resources Ecological Security and Land Space Ecological Restoration" special venue

05/31 1713

As early as 1768, doctors discovered the limb regeneration ability of salamanders. Almost all salamander species can regenerate their tails, limbs, and even complete hearts. - DayDayNews

As early as 1768, doctors discovered the limb regeneration ability of salamanders. Almost all salamander species can regenerate their tails, limbs, and even complete hearts.

Popular Science in Vernacular｜What is the magical power of stem cells?

05/31 1865

The oxygen content of the air is only about 40% of that in the plains, and the annual average temperature is below 0 degrees Celsius. Looking around, you can see the boundless plateau alpine desert grassland. This is the Qiangtang National Nature Reserve, known as the "forbidden - DayDayNews

The oxygen content of the air is only about 40% of that in the plains, and the annual average temperature is below 0 degrees Celsius. Looking around, you can see the boundless plateau alpine desert grassland. This is the Qiangtang National Nature Reserve, known as the "forbidden

Meteorological service records of "life forbidden zone"

06/01 1299

"The world's first glacier microbial database launched" led by China has published its research results in the journal "Nature Biotechnology". In this study, the Pan-Third Pole Environmental Center of Lanzhou University collaborated with the Institute of Tibetan Plateau Research - DayDayNews

"The world's first glacier microbial database launched" led by China has published its research results in the journal "Nature Biotechnology". In this study, the Pan-Third Pole Environmental Center of Lanzhou University collaborated with the Institute of Tibetan Plateau Research

Should humans be wary? Tibetan glaciers or nearly 1,000 unknown microorganisms are exposed, and the Tibetan Plateau has changed

06/01 1975

If all deserts were turned into green spaces, it could have catastrophic consequences for Earth's entire ecosystem. For example, according to research conducted by NASA, dust from the Sahara Desert is carried by wind across the Atlantic Ocean to the Amazon rainforest, where it de - DayDayNews

If all deserts were turned into green spaces, it could have catastrophic consequences for Earth's entire ecosystem. For example, according to research conducted by NASA, dust from the Sahara Desert is carried by wind across the Atlantic Ocean to the Amazon rainforest, where it de

What if Earth’s deserts could be transformed into grasslands?

06/01 1646

This article is original to the Translational Medicine Network. Please indicate the source when reprinting. Author: kope Introduction: A research team from Harvard Medical School has developed PCR-based quantitative and next-generation sequencing to address the limitations of cur - DayDayNews

This article is original to the Translational Medicine Network. Please indicate the source when reprinting. Author: kope Introduction: A research team from Harvard Medical School has developed PCR-based quantitative and next-generation sequencing to address the limitations of cur

"Nature Sub-Journal" qPCR cloning barcode - Facilitating functional analysis of cancer living cells

06/03 1009

This article is original to the Translational Medicine Network. Please indicate the source when reprinting. Author: Mia Introduction: Somatic mutations refer to mutations that occur in somatic cells other than sex cells. It will not cause genetic changes in future generations, bu - DayDayNews

This article is original to the Translational Medicine Network. Please indicate the source when reprinting. Author: Mia Introduction: Somatic mutations refer to mutations that occur in somatic cells other than sex cells. It will not cause genetic changes in future generations, bu

"Nature sub-journal" research finds genetic factors that increase the likelihood of cancer mutations

06/03 1080

Friends, the "Question and Answer Series on VOCs Popular Science" has started in the previous issues. The Environmental Protection Officer has led everyone to understand what impact VOCs emitted by plants have on the atmospheric environment? Do different types of plants emit the - DayDayNews

Friends, the "Question and Answer Series on VOCs Popular Science" has started in the previous issues. The Environmental Protection Officer has led everyone to understand what impact VOCs emitted by plants have on the atmospheric environment? Do different types of plants emit the

Q&A | What are the differences in VOCs emitted by plants in different seasons?

06/03 1197

Along this road, there will be street lights shining through the gaps in the leaves and scattered around your feet. But tonight, it was dark all around. Except for the faint light from the mobile phone screen, I couldn't see my fingers, but it seemed that even this weak light wou - DayDayNews

Along this road, there will be street lights shining through the gaps in the leaves and scattered around your feet. But tonight, it was dark all around. Except for the faint light from the mobile phone screen, I couldn't see my fingers, but it seemed that even this weak light wou

I feel like I'm seriously ill

06/03 1579

First of all, the possibility of ants having human intelligence in real life is almost zero. Because the intelligence of all insects, including ants, is not as good as some lower animals with high intelligence. In other words, insects have the lowest IQ. For example, some animals - DayDayNews

First of all, the possibility of ants having human intelligence in real life is almost zero. Because the intelligence of all insects, including ants, is not as good as some lower animals with high intelligence. In other words, insects have the lowest IQ. For example, some animals

What would happen if ants possessed the aerospace intelligence of human science?

06/03 1488

On July 5, local time, NASA stated that the U.S. Capstone CubeSat "lost contact" while leaving the earth's orbit and heading towards the moon. - DayDayNews

On July 5, local time, NASA stated that the U.S. Capstone CubeSat "lost contact" while leaving the earth's orbit and heading towards the moon.

The U.S. lunar exploration satellite lost contact, the "return to the moon" plan may be postponed again, and the Pentagon is nervous

06/03 1681

The U.S. came to Taiwan last year to conduct on-site inspections of the Kengzikou shooting range, the 420 training range and the Beitei Hukou training range of the Ministry of Equipment and Training. They believe that if renovated, they can be used for training new combat vehicle - DayDayNews

The U.S. came to Taiwan last year to conduct on-site inspections of the Kengzikou shooting range, the 420 training range and the Beitei Hukou training range of the Ministry of Equipment and Training. They believe that if renovated, they can be used for training new combat vehicle

Taiwan buys "the most powerful tank on earth", but the Taiwan army retreats: it's of no use

06/03 1919

Liu Fangfei will often appear in front of everyone. She is also a host, and she looks outstanding in all aspects. This time Liu Fangfei dresses up a little, and she feels like a noble lady, because she She wore a shirt on her upper body. This shirt was made of dark texture. It lo - DayDayNews

Liu Fangfei will often appear in front of everyone. She is also a host, and she looks outstanding in all aspects. This time Liu Fangfei dresses up a little, and she feels like a noble lady, because she She wore a shirt on her upper body. This shirt was made of dark texture. It lo

Liu Fangfei dresses like a lady, wearing a silk shirt and wide-leg pants. Even though she has a voluptuous figure, she doesn’t look fat.

06/03 1178

Summer is the most abundant season of vegetables in the year. There are a wide variety of vegetables in markets and supermarkets. Which vegetables are more suitable to eat in summer? How can we eat healthier and preserve more nutrients? What are the benefits of eating more vegeta - DayDayNews

Summer is the most abundant season of vegetables in the year. There are a wide variety of vegetables in markets and supermarkets. Which vegetables are more suitable to eat in summer? How can we eat healthier and preserve more nutrients? What are the benefits of eating more vegeta

Eat these 8 "vegetables" often in summer! Recommended collection

06/03 1378

On July 6, in the gastroenterology ward of Hunan Provincial Hospital of Traditional Chinese Medicine, when Grandpa Gao Boming, a 91-year-old veteran of the War to Resist U.S. Aggression and Aid Korea and retired cadre from Changsha, was discharged from the hospital, he cordially - DayDayNews

On July 6, in the gastroenterology ward of Hunan Provincial Hospital of Traditional Chinese Medicine, when Grandpa Gao Boming, a 91-year-old veteran of the War to Resist U.S. Aggression and Aid Korea and retired cadre from Changsha, was discharged from the hospital, he cordially

Hunan Provincial Hospital of Traditional Chinese Medicine: The fate between the two "veterans" is heartwarming

06/03 1515

Urinary tract infection is a common disease in nephrology, so do you know how to distinguish upper urinary tract infection from lower urinary tract infection? Let’s learn about it below. What are upper and lower urinary tract infections? Human urinary tract consists of kidney par - DayDayNews

Urinary tract infection is a common disease in nephrology, so do you know how to distinguish upper urinary tract infection from lower urinary tract infection? Let’s learn about it below. What are upper and lower urinary tract infections? Human urinary tract consists of kidney par

"Urinary tract infection column" Upper urinary tract infection or lower urinary tract infection? Can you tell the difference?

06/03 1688

The editor's circle of friends is also on fire these days when the high temperature is controlled. Every drop of sweat flowing from "Dabai" and every warm word from volunteers. Every time citizens line up to do nucleic acid tests are the best interpretation of the anti-epidemic s - DayDayNews

The editor's circle of friends is also on fire these days when the high temperature is controlled. Every drop of sweat flowing from "Dabai" and every warm word from volunteers. Every time citizens line up to do nucleic acid tests are the best interpretation of the anti-epidemic s

Did you get "two lines" in the self-test for antigen after eating a peach? Wuxi CDC official answer is here

06/03 1903