82 m. ago Solar cell efficiency record achieved with tin halide perovskite

University of Queensland researchers have set a world record for solar cell efficiency with eco-friendly perovskite technology. A team led by Professor Lianzhou Wang has unveiled a tin halide perovskite (THP) solar cell capable of converting sunlight to electricity at a certified record efficiency of 16.65%. The research is published in the journal Nature Nanotechnology.

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1 hour ago Improving solar cell performance: The impact of Zr alloying on the engineering of BaHfS

Lead halide perovskite solar cells (LHPSCs) have rapidly gained prominence in the field of photovoltaics, boasting impressive power conversion efficiencies (PCEs) of up to 26.1% in single-junction devices. However, despite their high performance, these materials suffer from critical drawbacks, including degradation when exposed to moisture, oxygen, heat and ultraviolet light, as well as concerns regarding the toxicity of lead.

Politics

5 h. ago AI system restores speech for paralyzed patients using own voice

Developed at two California universities, the innovative technology combines brain-computer interfaces with advanced AI to decode neural activity into audible speech.

Politics

6 h. ago Harvard Prof.: We Have 'a Problem' with Political Climate on Campus, Defunding Research Isn't the Answer

On Tuesday’s broadcast of CNN’s “Laura Coates Live,” Harvard Psychology Professor Steven Pinker said that “There is a problem” with the school’s political climate around freedom of speech “but it’s completely unclear why defunding aging research is the solution to The post Harvard Prof.: We Have ‘a Problem’ with Political Climate on Campus, Defunding Research Isn’t the Answer appeared first on Breitbart.

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6 h. ago Its Journalism Challenged Autocrats. Trump Wants to Silence It.

Journalists at Radio Free Europe/Radio Liberty who have been imprisoned for their work are dismayed by the effort to close the outlet.

Politics

6 h. ago The Hidden Climate Costs of Exporting US Liquefied Natural Gas

The Hidden Climate Costs of Exporting US Liquefied Natural Gas  Inside Climate News

Politics

7 h. ago Trump v US courts: Where do challenges to executive orders stand?

Trump v US courts: Where do challenges to executive orders stand?  Al Jazeera

Politics

10 h. ago U.K. Supreme Court to rule on landmark challenge over legal definition of a woman

The court is scheduled to rule whether a transgender person with a certificate that recognizes them as female can be regarded as a woman under equality laws.

Events

10 h. ago Trump administration must unfreeze billions in climate funding, judge rules

Trump administration must unfreeze billions in climate funding, judge rules  The Washington Post

Politics

12 h. ago Los Angeles weather: SoCal to see morning drizzle, cooler temperatures Wednesday

Los Angeles weather: SoCal to see morning drizzle, cooler temperatures Wednesday  ABC7 Los Angeles

Politics

15 h. ago US judge blocks Trump's freeze on climate, infrastructure grants

US judge blocks Trump's freeze on climate, infrastructure grants  Reuters

Politics

16 h. ago US judge orders immediate thaw of climate, infrastructure funds, Politico reports

US judge orders immediate thaw of climate, infrastructure funds, Politico reports  Reuters

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17 h. ago Does Mike Vrabel think a left tackle warrants a spot at No. 4 in NFL Draft?

"We'd love for them to align, having a need and having the best player be there." The post Does Mike Vrabel think a left tackle warrants a spot at No. 4 in NFL Draft? appeared first on Boston.com.

Events

17 h. ago Why Antitrust Breakups of Google and Meta Could Be Difficult

For the first time since the late 1990s Microsoft case, federal trials are weighing antitrust breakups, a tactic that harks back to Standard Oil.

Politics

19 h. ago Top House Democrat says DOGE data access at NLRB may be 'technological malfeasance'

A top House Democrat is asking independent agency watchdogs to investigate after NPR reporting revealed DOGE may have taken sensitive data from the National Labor Relations Board.

Politics

19 h. ago The toughest miles of the Boston Marathon course, according to runners

Heartbreak Hill gets a lot of attention, but it might not be the biggest challenge. The post The toughest miles of the Boston Marathon course, according to runners appeared first on Boston.com.

Politics

20 h. ago Sup. Jackie Fielder Challenges City Policy That Limits Shelter Stays For Families

Sup. Jackie Fielder Challenges City Policy That Limits Shelter Stays For Families  SFist

Events

20 h. ago How Trump Might Unwittingly Cut Emissions From Online Shopping

Fast fashion retailers rely heavily on shipping by air. The president’s tariffs could change that.

Politics

21 h. ago Trump Allies Urge DOJ to Support Merger that Would Challenge China's Dominance in Telecom Gear

As the Trump  administration prioritizes winning the trade war against China, conservative leaders are asking Attorney General Pam Bondi and Assistant Attorney General for the Antitrust Division Gail Slater to remove antitrust challenges that they argue hamstring the United States’ ability to compete with Huawei and the Chinese Communist Party in the global telecom market. The post Trump Allies Urge DOJ to Support Merger that Would Challenge China’s Dominance in Telecom Gear appeared first on Breitbart.

Politics

21 h. ago ACLU of Indiana sues Trump admin, claims DHS violated rights of foreign students

The ACLU of Indiana claimed that the DHS did not offer several foegin students a process to challenge their visa revocation in a new lawsuit filed Tuesday.

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