Ching Lee
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Articles by Ching Lee
Social media addiction and the stigma of disconnection: Self-and other-oriented motivations in online prosocial engagement.
English Background: This study challenges the common stigma that social media addiction (SMA) reflects social disconnection. Using a dual-motivation framework, we examine how self-oriented and other-oriented motives shape green information sharing (GIS) and the internalization of green consumption values (GCV) within social media communities. Methods: We analyzed cross-sectional survey data from 532 respondents in Taiwan, of whom 16.54% met the threshold for SMA.
Eastern region summit advances Common Ground Coalition priorities
The Common Ground Coalition continued its regional summit series in Nashville, TN, bringing together livestock industry participants from across the eastern U.S. and beyond to identify practical solutions that support the future of livestock production, rural communities and the domestic food supply.
Interacting non-Hermitian edge and cluster bursts on a digital quantum processor
Abstract Dissipation can drive striking dynamics in quantum systems. A recent discovery is the non-Hermitian edge burst, where energy density transiently accumulates near boundaries rather than decaying uniformly. Previously observed in single-particle settings, this effect remains unexplored in interacting multi-particle systems, as tunable interactions are difficult to realize in conventional platforms, and non-Hermitian simulation is demanding on quantum processors.
Trump lifts duties on phosphate fertilizer imports
News WLJ Jul. 02, 2026 1 minute read Injecting liquid manure as a crop nutrient. Photo courtesy of Iowa Extension. President Donald Trump on June 29 signed an order temporarily suspending certain duties on phosphate fertilizer imports from Morocco.
Design-led STEM (D-STEM) in secondary schools: enhancing learning through fashion and technology in Hong Kong
STEM education in Hong Kong aims to equip students with interdisciplinary knowledge and problem-solving skills. However, current implementations primarily restrict engagement to elective subjects such as engineering and programming. This study explores a design-led STEM (D-STEM) approach as an alternative framework, integrating fashion, technology, and creative practices to enhance STEM learning and facilitate the acquisition of core STEM knowledge.
Deep-learning-empowered programmable topolectrical circuits
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Abstract Topolectrical circuits provide a versatile platform for exploring modern physical models, yet existing approaches lack full programmability and effective mechanisms for inverse state design. Here, we present a deep-learning-empowered programmable topolectrical circuit platform for physical modeling and analysis.
By Hao Jia, Shanglin Yang, Jiajun He, Shuo Liu, Haoxiang Chen, Ce Shang, Shaojie Ma, Peng Han, Ching Lee Verified, Zhen Gao, Yun Lai, Tie Jun Cui
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Nature
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Reversing non-Hermitian skin accumulation with a non-local transverse switch
Abstract Asymmetrically directed couplings in non-Hermitian systems cause directional amplification that leads to boundary skin state accumulation. However, counter-intuitively, the direction of accumulation may not follow that of the directed couplings. In this work, we demonstrate mechanisms where this accumulation can be systematically reversed without modifying the couplings at all, just by adjusting the system size or boundary conditions in a different, transverse direction.
Deterministic scale-invariant dynamics in a logistic Game-of-Life model
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Abstract Scale invariance is a hallmark of criticality in complex dynamical systems. While random external inputs or tunable stochastic interactions are typically required to produce critical behavior, it remains unclear whether scale-invariant dynamics can emerge from purely deterministic interactions. Here, we address this question by studying the asymptotic dynamics of the logistic Game of Life (GOL), a deterministic-parameter extension of Conway’s GOL.
By Hakan AKGÜN, Muhamet Ibrahimi, Ching Lee Verified, Seymur Jahangirov, Xianquan Yan, Tamer Taşkıran
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Nature
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Beyond the Non‐Hermitian Skin Effect: Scaling‐Controlled Topology from Exceptional‐Bound Bands
1 Introduction Traditionally, topological phase transitions have been understood as phenomena emerging in the thermodynamic limit. However, in non-Hermitian systems, it has become clear that the same system at different finite sizes can possess distinct topological characters, hosting robust edge states only for sufficiently small or sufficiently large system sizes [1-8]. This observation carries direct experimental implications, as realistic setups are inevitably finite and bounded.
National delegates adopt policies vital to California
California delegates to the American Farm Bureau Federation succeeded in advancing several changes to the organization’s policy on water use and table wine. AFBF adopted all four of the policy changes that the California Farm Bureau submitted through the delegate process during the 107th AFBF Annual Convention in Anaheim, Jan. 9-14. The policies approved at the meeting will direct the nation’s largest general farm organization in its legislative and regulatory efforts in 2026.
Ag Alert
By Ching Lee California delegates to the American Farm Bureau Federation succeeded in advancing several changes to the organization’s policy on water use and table wine. AFBF adopted all four of the policy changes that California Farm Bureau submitted through the delegate process during the 107th AFBF Annual Convention in Anaheim Jan. 9-14. The policies approved at the meeting will direct the nation’s largest general farm organization in its legislative and regulatory efforts in 2026.
Ag Alert
The 2018 Farm Bill legalized the commercial production of industrial hemp in the U.S., but some California farmers looking to plant the crop this season may need to hold off on their plans. Already, some two dozen counties have either established temporary moratoriums on hemp cultivation or are in the process of doing so, due to slow rollout of state regulations, said Rick Gurrola, Tehama County agricultural commissioner, who serves on the state Industrial Hemp Advisory Board.
Dairy producers reject effort to end state milk pool quota
BY CHING LEE Ag Alert A producer referendum to end the state’s milk pool quota, known as the quota implementation plan, or QIP, has failed, the California Department of Food and Agriculture announced earlier this month. Of the 63.76% of eligible producers who voted in the referendum, 40.46% voted in favor of terminating the QIP, short of the 51% needed to pass, CDFA reported.
Ag Alert
By Ching Lee A producer referendum to end the state’s milk pool quota, known as the quota implementation plan, or QIP, has failed, the California Department of Food and Agriculture announced earlier this month. Of the 63.76% of eligible producers who voted in the referendum, 40.46% voted in favor of terminating the QIP, short of the 51% needed to pass, CDFA reported. Those who voted in favor represent 47.55% of the fluid milk produced in the state, falling short of the 65% threshold needed.
New WOTUS rule to give clarity, cut red tape for farms
Getting your Trinity Audio player ready... A new federal rule by the Trump administration is expected to reduce regulatory burdens on farmers by narrowing the scope of federal oversight on the nation’s wetlands and other waterways. Released last month by the U.S. Environmental Protection Agency and the U.S. Army Corps of Engineers, the proposed rule carries out directives from the 2023 U.S. Supreme Court ruling in Sackett v.
New WOTUS rule to give clarity, cut red tape for farms
A new federal rule by the Trump administration is expected to reduce regulatory burdens on farmers by narrowing the scope of federal oversight on the nation’s wetlands and other waterways. Released last month by the U.S. Environmental Protection Agency and the U.S. Army Corps of Engineers, the proposed rule carries out directives from the 2023 U.S. Supreme Court ruling in Sackett v. EPA, ending years of regulatory uncertainty about how the Clean Water Act applies to working farmland.
Many-body critical non-Hermitian skin effect - Communications Physics
Abstract Criticality in non-Hermitian systems unveils distinctive phase transitions and scaling behaviors beyond Hermitian paradigms.
Ag Alert
By Ching Lee A new federal rule by the Trump administration is expected to reduce regulatory burdens on farmers by narrowing the scope of federal oversight on the nation’s wetlands and other waterways. Released last month by the U.S. Environmental Protection Agency and the U.S. Army Corps of Engineers, the proposed rule carries out directives from the 2023 U.S. Supreme Court ruling in Sackett v. EPA, ending years of regulatory uncertainty about how the Clean Water Act applies to working farmland.
New WOTUS rule to give clarity, cut red tape for farms
By Ching Lee A new federal rule by the Trump administration is expected to reduce regulatory burdens on farmers by narrowing the scope of federal oversight on the nation’s wetlands and other waterways. Released last month by the U.S. Environmental Protection Agency and the U.S. Army Corps of Engineers, the proposed rule carries out directives from the 2023 U.S. Supreme Court ruling in Sackett v. EPA, ending years of regulatory uncertainty about how the Clean Water Act applies to working farmland.
Topologically Protected Negative Entanglement
1 Introduction The entanglement entropy plays a crucial role in unveiling fundamental insights into the locality of quantum information. For instance, by scaling either according to the volume or area,[1-3] the entanglement entropy reveals whether quantum correlations pervade the entire system or remain localized.
Southern California a focus in screwworm preparedness
With detection of New World screwworm less than 70 miles from the U.S.-Mexico border, California animal health officials are urging ranchers, dairy farmers, feedlot operators and other livestock handlers to stay vigilant for signs of the parasitic fly, which can inflict great harm to animals—and economic damage to the livestock sector. The fly larvae, or maggots, feed on living flesh.
Four wolves lethally removed after deterrence efforts failed
After months of failed efforts to reduce “an unprecedented level” of livestock kills using nonlethal methods, the California Department of Fish and Wildlife said it has euthanized four gray wolves from the Beyem Seyo pack in Sierra Valley. “This decision was not made lightly nor was it easy,” CDFW Director Charlton Bonham said. The lethal removal, which occurred last month, came as California wolf populations continue to expand and attacks on livestock become more frequent.
FARM: Southern California a focus in screwworm preparedness
With detection of New World screwworm less than 70 miles from the U.S.-Mexico border, California animal health officials are urging ranchers, dairy farmers, feedlot operators, and other livestock handlers to stay vigilant for signs of the parasitic fly, which can inflict great harm to animals—and economic damage to the livestock sector. The fly larvae, or maggots, feed on living flesh.
Ag Alert
By Ching Lee With detection of New World screwworm less than 70 miles from the U.S.-Mexico border, California animal health officials are urging ranchers, dairy farmers, feedlot operators and other livestock handlers to stay vigilant for signs of the parasitic fly, which can inflict great harm to animals—and economic damage to the livestock sector. The fly larvae, or maggots, feed on living flesh.
Ag Alert
By Ching Lee After months of failed efforts to reduce “an unprecedented level” of livestock kills using nonlethal methods, the California Department of Fish and Wildlife said it has euthanized four gray wolves from the Beyem Seyo pack in Sierra Valley. “This decision was not made lightly nor was it easy,” CDFW Director Charlton Bonham said. The lethal removal, which occurred last month, came as California wolf populations continue to expand and attacks on livestock become more frequent.
Farm Bureau leaders seek results in D.C.
By Ching Lee Ag Alert With Congress facing end-of-fiscal-year funding deadlines and the expiration of the farm bill extension, a delegation of California Farm Bureau leaders traveled to Washington, D.C., last week to ensure priorities for California farmers and ranchers were heard while decisions were being made. Among those on the Sept. 15-18 trip were Farm Bureau officers, board members and the organization’s policy advocacy team.
Non-Hermitian strong bosonic clustering through interaction-induced caging - Communications Physics
Abstract Guiding how interacting bosons gather at system boundaries underpins emerging quantum technologies. However, how the triple interplay of directional non-Hermitian hopping, bosonic repulsion, and band topology shapes such clustering is still not fully understood. Here we show that these ingredients cooperate to produce an emergent “cage” that traps bosons at a lattice edge, yielding system boundary densities far beyond those from interaction-induced trapping alone.
Court: CA ag drains may operate without permit
In what has been described as a resounding legal victory for agriculture, a federal appeals court has ruled that irrigation return flows discharged to waters of the United States through agricultural drains remain exempt from federal permitting requirements.
Ag Alert
By Ching Lee In what has been described as a resounding legal victory for agriculture, a federal appeals court has ruled that irrigation return flows discharged to waters of the United States through agricultural drains remain exempt from federal permitting requirements.
Reader's Digest: September 2025
Madeleine Royère-Koonings In September 2025, we published the following articles: California: Weekly tonnage as of 31 August 2025 Researchers at the John Innes Centre in the UK used gene-editing to produce a vitamin D3 enriched tomato, which can now be sold, thanks to the Precision Breeding Act that became law last month. The Kraft Heinz Company announced it will be separated into two independent and publicly-traded companies.
Ag Alert
By Ching Lee With Congress facing end-of-fiscal-year funding deadlines and the expiration of the farm bill extension, a delegation of California Farm Bureau leaders traveled to Washington, D.C., last week to ensure priorities for California farmers and ranchers were heard while decisions were being made. Among those on the Sept. 15-18 trip were Farm Bureau officers, board members and the organization’s policy advocacy team.
Ag Alert
By Ching Lee Thanks to adequate water supplies and mild conditions throughout the growing season, California farmers may end up with way more tomatoes than canneries need. The larger-than-expected crop means some of the fruit may go unpicked if the weather remains dry and harvest goes as planned. “It’s a very excellent problem to have,” Mike Montna, president and CEO of the California Tomato Growers Association, said of what’s been described as a bountiful and quality tomato crop.
Record-high beef prices keep cattle population down
As a cow-calf producer, Calaveras County rancher Michael David Fischer is bucking a national trend that has kept the U.S. cattle supply tight and the price of beef at near-record profit levels. While other cattle ranchers are selling their animals while the market is red-hot, he’s holding on to more heifers for breeding, so he can rebuild his herd after California’s multiyear drought several years ago forced him to reduce his numbers.
Tomato yields are up in California as canneries try to reduce inventory
by Ching Lee, editor of Ag Alert Thanks to adequate water supplies and mild conditions throughout the growing season, California farmers may end up with way more tomatoes than canneries need. The larger-than-expected crop means some of the fruit may go unpicked if the weather remains dry and harvest goes as planned.
Ag Alert
By Ching Lee As a cow-calf producer, Calaveras County rancher Michael David Fischer is bucking a national trend that has kept the U.S. cattle supply tight and the price of beef at near-record profit levels. While other cattle ranchers are selling their animals while the market is red-hot, he’s holding on to more heifers for breeding, so he can rebuild his herd after California’s multiyear drought several years ago forced him to reduce his numbers.
Record-high beef prices keep cattle population down
By Ching Lee As a cow-calf producer, Calaveras County rancher Michael David Fischer is bucking a national trend that has kept the U.S. cattle supply tight and the price of beef at near-record profit levels. While other cattle ranchers are selling their animals while the market is red-hot, he’s holding on to more heifers for breeding, so he can rebuild his herd after California’s multiyear drought several years ago forced him to reduce his numbers.
Low prices, other woes put squeeze on farm economy
BY CHING LEE AgAlert California farmers continue to face significant economic challenges as they contend with lower commodity prices and soaring production costs that have been made worse by inflation, regulatory burdens, trade disruptions and other financial headwinds.
Low prices, other woes put squeeze on farm economy
BY CHING LEE AgAlert California farmers continue to face significant economic challenges as they contend with lower commodity prices and soaring production costs that have been made worse by inflation, regulatory burdens, trade disruptions and other financial headwinds.
Low prices, other woes put squeeze on farm economy
California farmers continue to face significant economic challenges as they contend with lower commodity prices and soaring production costs that have been made worse by inflation, regulatory burdens, trade disruptions and other financial headwinds.
Ag Alert
By Ching Lee California farmers continue to face significant economic challenges as they contend with lower commodity prices and soaring production costs that have been made worse by inflation, regulatory burdens, trade disruptions and other financial headwinds.
Ag Alert
By Ching Lee Thanks to favorable growing conditions in the spring, California apple growers are expected to deliver a bigger crop with improved fruit quality this year. Harvest of Gala apples—the earliest commercial variety to arrive in stores—has started in the Central Valley, with supplies hitting markets this week. Because California starts picking apples several weeks before Washington state—the nation’s leading producer—providing the first fresh apples of the year remains a key selling point.
Del Monte troubles shake up pear season
After lower yields last year, California pear growers say they expect to harvest more normal volumes this season. But the bigger crop comes as they grapple with the uncertain future of one of their key buyers. Del Monte Foods, which operates one of two canneries left in the state, filed for Chapter 11 bankruptcy protection earlier this month, saying it had initiated a “restructuring process” with lenders to facilitate a sale of the business for “all or substantially all” of the company’s assets.
Ag Alert
By Ching Lee After lower yields last year, California pear growers say they expect to harvest more normal volumes this season. But the bigger crop comes as they grapple with the uncertain future of one of their key buyers.
Organic acres slip as state pushes for more
To combat climate change, California aims to expand organic production as part of its strategy to reduce greenhouse gas emissions and achieve carbon neutrality. But the push to bolster organic farming practices comes as certified organic acreage nationwide and in California has trended down in recent years. Farmers cite ongoing challenges that could work against the state’s plan and say markets and economics—not mandates—will ultimately drive acreage.
Ag Alert
By Ching Lee Hay producers have already faced falling prices for the forage in recent years, and impacts of President Trump’s tariff policies add new pressures and market disruptions that could further dampen the sector’s outlook. Hay supplies have rebounded from levels during the drought, contributing to lower prices. Though strong domestic demand has kept California hay prices steady so far this year, export activity has been limited, according to a report last month by AgWest Farm Credit.
Ag Alert
By Ching Lee To combat climate change, California aims to expand organic production as part of its strategy to reduce greenhouse gas emissions and achieve carbon neutrality. But the push to bolster organic farming practices comes as certified organic acreage nationwide and in California has trended down in recent years. Farmers cite ongoing challenges that could work against the state’s plan and say markets and economics—not mandates—will ultimately drive acreage.
Fish and Game ditches proposal to limit coyote take
By Ching Lee Ag Alert California Farm Bureau California farmers and ranchers declared victory after the California Fish and Game Commission decided last week to hold off on making any changes to how coyotes are managed in the state. The decision came after a meeting that included several hours of discussion and hundreds of people turning out in person and virtually to provide comment.
CA Fish and Game ditches proposal to limit coyote take
California farmers and ranchers declared victory after the California Fish and Game Commission decided to hold off on making any changes to how coyotes are managed in the state. The decision came after a meeting that included several hours of discussion and hundreds of people turning out in person and virtually to provide comment. On the table was a proposal to consider restricting take of coyotes and establishing a regulated hunting season and bag limits for the predator.
Tariff uncertainty hurts agricultural exports, economy
As markets and supply chains react to the latest U.S. tariff whiplash, California agriculture advocates make the case that federal trade policies could benefit by giving farmers and agricultural exporters more certainty and predictability.
Ag Alert
By Ching Lee As markets and supply chains react to the latest U.S. tariff whiplash, California agriculture advocates make the case that federal trade policies could benefit by giving farmers and agricultural exporters more certainty and predictability.
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