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ISSN: 2667-3258
CN: 10-1722/N
p-ISSN: 2096-9457

Recent progress in human body energy harvesting for smart bioelectronic system

From every heartbeat to every footstep, human beings dissipate energy all the time. Researchers are trying to harvest energy from the human body and convert it into electricity, which can be supplied...

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A review on the GaN-on-Si power electronic devices

The past decades have witnessed a tremendous development of GaN-based power electronic devices grown on Si substrate. This article provides a concise introduction, review, and outlook of the research...

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A commentary of TikTok recommendation algorithms in MIT Technology Review 2021

TikTok is one of the world's most attractive and fastest-growing social media platforms. It has more than 2.6 billion downloads globally and over 100 million users in the US. The “secret weapon” is...

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Underwater robot sensing technology: A survey

Underwater robot technologies are crucial for marine resource exploration and autonomous manipulation, and many breakthroughs have been achieved with key indicators (e.g., dive depth and navigation...

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A theory of carbon currency

We propose a new international monetary system based on carbon currency (the carbon standard) to tackle two pressing externalities in today's global economic and political context: the dangerous and...

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Antiferromagnetic spintronics: An overview and outlook

Over the past few decades, the diversified development of antiferromagnetic spintronics has made antiferromagnets (AFMs) interesting and very useful. After tough challenges, the applications of AFMs...

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Therapeutic strategies against bacterial biofilms

The emergence of multi-drug resistance makes bacterial infection a major threat to public health and economy. The formation of bacterial biofilms is one of the main reasons of bacterial resistance....

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Research on the national climate governance system toward carbon neutrality—A critical literature review

Global climate governance has entered the era of carbon neutrality, as a growing number of countries have set the goal of carbon neutrality for long-term emissions reduction toward the mid-21st century....

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A commentary of GPT-3 in MIT Technology Review 2021

Through the development of large-scale natural language models with writing and dialogue capabilities, artificial intelligence (AI) has taken a significant stride towards better natural language understanding...

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Toward emerging gallium oxide semiconductors: A roadmap

Owing to the advantages of ultra-wide bandgap and rich material systems, gallium oxide (Ga2O3) has emerged as a highly viable semiconductor material for new researches. This article mainly focuses on...

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Bosonic quantum error correction codes in superconducting quantum circuits

Quantum information is vulnerable to environmental noise and experimental imperfections, hindering the reliability of practical quantum information processors. Therefore, quantum error correction (QEC)...

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Highly oriented MAPbI3 crystals for efficient hole-conductor-free printable mesoscopic perovskite solar cells

Highly crystalline perovskite films with large grains and few grain boundaries are conducive for efficient and stable perovskite solar cells. Current methods for preparing perovskite films are mostly...

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The status of carbon neutrality of the world's top 5 CO2 emitters as seen by carbon satellites

China, the Unite States (US), the European Union (EU), India, and Russia are the world's top 5 fossil fuel and cement CO2 (FFC) emitting countries or regions (CRs). It is very important to understand...

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Multidimensional perovskite solar cells

Organic-inorganic hybrid perovskite solar cells (PSCs) have attracted extensive attention, and their certified power conversion efficiency (PCE) has reached 25.5%. However, the instability of the high-efficiency...

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Knowledge graph quality control: A survey

A knowledge graph (KG), a special form of semantic network, integrates fragmentary data into a graph to support knowledge processing and reasoning. KG quality control is important to the utility of...

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A database for deliquescence and efflorescence relative humidities of compounds with atmospheric relevance

Deliquescence relative humidity (DRH) and efflorescence relative humidity (ERH), the two parameters that regulate phase state and hygroscopicity of substances, play important roles in atmospheric science...

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Critical climate issues toward carbon neutrality targets

In 2020, China announced the "emission peak, carbon neutrality" policy, that is, China aims to have CO2 emissions peak before 2030 and achieve carbon neutrality before 2060. The scenario of carbon neutrality...

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Root exudate chemistry affects soil carbon mobilization via microbial community reassembly

•Root exudates play an important role in regulating microbial communities and C.•Three common groups of root exudates have contrasting effects on soil C and Fe.•Sugar's application strongly reduced...

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Atomically dispersed Zn-Co-N-C catalyst boosting efficient and robust oxygen reduction catalysis in acid via stabilizing Co-N bonds

Transition metal supported N-doped carbon (M-N-C) catalysts for oxygen reduction reaction (ORR) are viewed as the promising candidate to replace Pt-group metal (PGM) for proton exchange membrane fuel...

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Quantifying the impacts of COVID-19 on Sustainable Development Goals using machine learning models

The COVID-19 pandemic has posed severe threats to global sustainable development. However, a comprehensive quantitative assessment of the impacts of COVID-19 on Sustainable Development Goals (SDGs)...

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Managing privacy in the digital economy

In this era of the digital economy, proper management of digital privacy is critical for end-users, service providers, platform vendors, and the government. Addressing the increasing privacy concerns...

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High-Q collective Mie resonances in monocrystalline silicon nanoantenna arrays for the visible light

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Carbon neutrality needs a circular metal-energy nexus

Carbon neutrality requires systematic transformations of both energy and metal systems. These transformations are not isolated but rather interlinked and interdependent, such that trade-offs between...

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Ion–solvent chemistry in lithium battery electrolytes: From mono-solvent to multi-solvent complexes

The building of safe and high energy-density lithium batteries is strongly dependent on the electrochemical performance of working electrolytes, in which ion–solvent interactions play a vital role....

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Toward carbon neutrality: Uncovering constraints on critical minerals in the Chinese power system

China has set up its ambitious carbon neutrality target, which mainly relies on significant energy-related carbon emissions reduction. As the largest important contributing sector, power sector must...

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