Are Elon Musk’s Starlink satellites a looming threat to the ozone layer
Re-entries of SpaceX Starlink satellites are causing environmental concerns by releasing aluminium oxide, which could harm ...
What Happens When Starlink Satellites Re-Enter Earth's Atmosphere? Is the Ozone Layer at Risk?
In 2025, around 120 SpaceX Starlink satellites re-entered Earth’s atmosphere and burnt up upon descent. These artificial meteor showers, visible across the globe, have raised concerns about their ...
CNET on MSN8 天
Are Starlink’s Satellites Depleting the Ozone?
Elon Musk's satellite internet company has been a game-changer for rural internet, but there could be dire consequences for ...
Chemical Engineering1 天
Nanofiltration approach recovers aluminum from process waste
The industrial production of aluminum involves electrolysis of alumina (Al2O3) in molten cryolite, a mineral used as a ...
Thousands of satellites are due to burn up in the atmosphere every year – damaging the ...
Operators follow a 25-year rule: at this point, a satellite’s mission is deemed to have ended and it is lowered into the atmosphere where gravity and friction kicks in. While this helps clear space, ...
pv magazine International5 天
TOPCon solar cell based on aluminum contacts achieves slightly lower efficiency than silver ...
Researchers in Australia have have fabricated an aluminum contact-based TOPCon solar cell based that achieved a power ...
C&EN1 年
Aluminum Recycling
Sodium aluminate forms through the chemical reaction of aluminum oxide with sodium hydroxide and water, as follows: The residues sink gradually to the bottom of the tank and are later removed. In the ...
Stockhead on MSN9 天
Western Yilgarn lays the groundwork to cash in on strong bauxite market
One of Australia’s top mining journalists, Kristie Batten writes for Stockhead every week in her regular column placing a ...