A judge says former U.S. Rep. Steve Buyer cannot defer his surrender next month to serve a nearly two-year prison sentence resulting from his insider trading conviction

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Macau’s casino recovery is sustaining momentum, with gaming revenue in August rising 686% from a year earlier to

UK greenhouse gas emissions dropped in the first quarter for the first time in two years, as the

BURLINGTON, Mass.--(BUSINESS WIRE)--Jun 8, 2023--

Researchers have invented a double-sided solar panel capable of generating electricity from the Sun’s energy on both sides. The bifacial solar cell, developed at the US Department of Energy’s National Renewable Energy Laboratory (NREL), harvests reflected sunlight hitting the back of the device, offering an unconventional route to producing higher energy yields for less space and cost. Typical advances to solar cell efficiency rates centre on iterative improvements to the side facing the Sun. This new approach could boost the energy harvesting capabilities of solar panels beyond their theoretical limit. “This perovskite cell can operate very effectively from either side,” said Kai Zhu, a scientist at the Chemistry and Nanoscience Center at NREL who led the research. Current solar cell technologies, which use silicon as the semiconductor material, have an efficiency rate of around 26 per cent – higher than the 23 per cent achieved in lab tests by the front side of the new panel. The back side of the panel, however, achieves an efficiency of about 91-93 per cent of the front, which offers up to 20 per cent more power overall when harvesting reflected sunlight. Perovskite has become a key driver of solar cell advancements in recent years, breaking new efficiency records and providing new pathways to creating next-generation technologies. Earlier this week, researchers unveiled perovskite-based solar cells capable of healing themselves when damaged by radiation in low-Earth orbit. Tandem silicon-perovskite solar cells have achieved lab-measured efficiency of more than 30 per cent, and have a theoretical limit far higher than purely silicon cells. Rapid progress with their development has seen two separate startups announce commercial production of the next-generation panels. Producing the bifacial solar panels would cost more than monofacial modules, however their capacity to produce more power could make them more economically viable over time. The latest research was detailed in a study, titled ‘Highly efficient bifacial single-junction perovskite solar cells’, published in the journal Joule. Read More Scientists invent self-healing solar panels with ‘miracle material’ How tech could turn our homes into renewable energy power stations

The Pittsburgh Penguins 2023-24 season started just how their previous campaign left off -- blowing a late third-period lead to the Chicago Blackhawks.

Portugal coach Patrice Lagisquet named 19 survivors from the side that sealed their place at the World Cup last November in the match-day 23 to...

The Steelers and Browns look remarkably similar going into their matchup this week

Marcos Acuna FIFA 23 World Cup Showdown SBC is now live and looks like great value. Here's how to complete the SBC.

BASKING RIDGE, N.J.--(BUSINESS WIRE)--Jun 21, 2023--

Israeli Prime Minister Benjamin Netanyahu says Israel will have “overall security responsibility” in Gaza “for an indefinite period" after its war with Hamas and expressed openness to “little pauses” in the current fighting to facilitate the release of hostages