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Recent extreme weather events have underscored the need to reduce CO₂ emissions that increase global temperatures. This requires a rapid transition from an energy economy to renewable energy sources, the cheapest of which is solar photovoltaic (PV). And our recently published research shows how we can lower shift costs even further using a cheaper form of silicon for highly efficient solar panels. Australia has taken the lead with solar PV installations, but our solar energy journey has only just begun. This year, humanity reached the milestone of 1 terawatt (TW) – 1 million × 1 million watts – installed solar capacity. However, experts predict 70TW of solar PV may be needed by 2050 to power all sectors of the economy. To help drive this rapid uptake of solar PV, we need solar panels with high efficiency and low cost. Over the past ten years, several new solar cell designs have resulted in record high efficiency. The problem is that this design also requires higher quality materi

No wonder building companies are all broke: Stunning figures show how construction costs are doubling the rate of inflation National home construction costs jump 10 percent in the year to June 2022 This is almost double the 5.1 percent inflation rate – the highest in two decades Cordell Construction Cost Index shows biggest jump since GST 2000 debut Timber and metal prices soar as companies grapple with labor shortages By Stephen Johnson, Economic Reporter for Daily Mail Australia Published: 11:36pm EDT, 11th July 2022 | Updated: 03:03 EDT, 12 July 2022 Home construction costs have soared at twice the rate of inflation as a series of building companies went bankrupt. Residential building costs jumped 10 percent in the year to June 2022 as the cost of wood and metal skyrocketed, the Cordell Construction Cost Index showed. This is nearly double the 5.1 percent inflation rate, which was the fastest pace since 2001. In New

SpaceX is expanding Starlink’s internet service to oceans, rivers and lakes – at a high cost. Starlink Maritime is now here and the company is targeting superyacht owners, oil rigs and merchant vessels as potential customers. This service has an upfront hardware fee of $10,000 for two ‘rugged’ Starlink platters and regular fees will run up to $5,000 per month. In comparison, space-based internet costs $110 per month with a one-time equipment cost of $599 for residential customers; it is also available for business and RV. Scroll down for the video SpaceX projects maritime performance speeds of 100-350Mbps down and 20-40Mbps up. Pictured is one of the satellites attached to the ship Starlink Maritime currently only extends to waters around North America, Europe and Australia. In the fourth quarter of this year, the company plans to expand that coverage to the wider oceans of the Northern Hemisphere, with plans to expand to all of the world’s oceans in the first quarter of 2023.

The collapse came days after another Victorian builder, Snowdon Developments, went into voluntary administration leaving 550 homes unfinished. On Friday another major private developer, CBD Developments, blamed government lease relief measures and the COVID-19 pandemic for the collapse of six of its companies. Credit reporting agency Creditor Watch expects more bad news to come in the building sector. “We’ve seen the bankruptcy numbers start to creep up,” said chief executive Patrick Coghlan, though he noted the bankruptcy numbers were still below 2019 levels. After the COVID-inspired lull, Australian banks and the Tax Office have begun issuing final notices to struggling businesses, something that hasn’t been done since the pandemic hit. Many construction companies have a hard time paying their bills on time – a sure sign of trouble ahead. Creditor Watch data shows nearly 12 percent of construction companies are late paying bills 60 days. Coghlan says builders small and large are now