The U.S. could dramatically increase solar and wind power without expensive energy storage. The key is to overlay high-voltage direct current power lines on our system of regional grids.
Sweating it out through hot summer nights? Here are some tips when you’re looking for something to cool you down.
Electricity pylons from Cape Town’s Koeberg nuclear power plant. State-owned companies help to provide infrastructure for economic development.
Reuters/Mike Hutchings
State-owned companies are not generally needed to provide goods. Rather, they are needed to provide the foundation for a well-functioning economy and a healthy, well-informed populace.
By 2030 renewable energy sources such as solar and wind will cost a similar amount to fossils fuels such as coal and gas, thanks to falling technology costs
Big data is about processing large amounts of data. It is often associated with multiplicities of data. But the ability to generate data outpaces the ability to store it.
A solar water heating unit on the roof of a home in Kuyasa outside Cape Town. South Africa has a long way to go to get people off the grid and onto solar heating.
Epa/Nic Bothma
Wilfred Fritz, Cape Peninsula University of Technology e Deon Kallis, Cape Peninsula University of Technology
Africa is blessed with an abundance of sunshine.Given the heavy demand for energy, alternatives, such as solar, could provide solutions and help stimulate economic growth.
Rooftop solar panels: will they kill power companies or can they help them?
kincuri/flickr
Many utilities see rooftop solar as a threat, but solar power can actually lower the cost of power they – and their consumers – need to pay during hours of high demand.
Nanotechnology that can detect illnesses will become available next year.
shutterstock
A novel approach to detect bacterial infections in 10-15 minutes is expected to become commercially available next year.
Neutrinos, we’re looking for you! Japan’s Super-Kamiokande detector.
Kamioka Observatory, ICRR (Institute for Cosmic Ray Research), The University of Tokyo
The Supreme Court hears a case that will decide whether homes and businesses can earn money from distributed energy technologies, including demand response and home battery systems.
Solar panels are installed at a project in South Africa’s Northern Cape province.
Copyright Droogfontein Solar Power
Solar hot water is an excellent way to heat up without adding to your electricity bill. Unfortunately, it seems Australians are not getting the most from their solar hot water systems.
Gas bill got you feeling grey? A reverse cycle air conditioner could save you money.
Michael Verhoef/Flickr
Australia’s new cap on emissions includes aspects of a “baseline and credit” emissions trading scheme. That’s cheaper for businesses, but means more regulation.