Today’s Solutions: January 21, 2025

Science

From mathematics and AI to medicine and psychology, The Optimist Daily features the latest news on discoveries, technological advances, and breakthroughs in the world of science. Our Science section is here to engage and enlighten you.

Sodium-based batteries can mak

Sodium-based batteries can make renewable energy accessible in poorer regions

Although lithium-ion batteries are the best in terms of efficiency, they are amongst the worst in terms of cost. On top of that, lithium reserves around the world are rapidly depleting. The world is in need of a more cost-effective, environmentally-friendly alternative, which is why a team of Read More...

Plenty of energy: ‘North Atl

Plenty of energy: ‘North Atlantic wind farms could power the whole world’

The promising news about renewable energy keeps pouring in. By now, we hope you are convinced with us that there’s no problem providing the world with clean power. A new study has found that wind speeds over the oceans could allow offshore turbines to generate far more energy than a land-based Read More...

The competition for solar ener

The competition for solar energy is growing in the oceans: seaweed

Seaweed, in all its slimy glory, could become a major source of renewable energy in the future after the US Department of Energy invested nearly $1.5 million in two projects that will help develop seaweed farms and explore harvesting methods. Although it may sound strange that seaweed energy is Read More...

Welcome to first solar-powered

Welcome to first solar-powered town where you don’t need your own car anymore

A town in Florida is giving its residents a real reason to let go of their gas-powered cars. The fully solar-powered town is in the process of establishing the first autonomous network of transportation in the U.S.. Using an app, residents in the town can gain access to autonomous pods that carry Read More...

California wants to let driver

California wants to let driverless cars be tested without a human at the wheel

California is preparing to let companies test driverless cars without a human at the steering wheel. The state Department of Motor Vehicles released proposed rule revisions today (Oct. 11) that would allow testing of self-driving cars without a human in the driver’s seat. The new rules also would Read More...

Bio-methane transforms from la

Bio-methane transforms from landfill waste to energy source

Methane produced by manure and food waste in landfills doesn't have to go to waste. Using anaerobic digesters, the gas can be harnessed for Read More...

How New York can use self-driv

How New York can use self-driving cars to unclog its streets

While most estimates suggest that it will still take decades before autonomous vehicles will be adopted, manufacturers like Ford and Tesla, alongside tech giants like Google and Uber, are neck-and-neck in the race to bring self-driving cars into the mainstream. Simply put, self-driving cars will be Read More...

GM advances stealthily into di

GM advances stealthily into disaster relief zones with autonomous fuel cell concept

With hurricanes and disaster relief top of mind for the US government, General Motors is this week presenting military leaders with a platform design it hopes can one day help. The multi-vehicle Silent Utility Rover Universal Superstructure (SURUS) uses a fuel cell powertrain and autonomous Read More...

Electric vehicles made up near

Electric vehicles made up nearly half of all new cars sales in Norway last month

California is often touted as the capital of electric cars, but a new report indicates that title belongs to Norway. In the month of September, the Scandinavian country reported 6,524 new registrations of plug-in electric cars, taking a record 48.4 percent of the market share. The big surprise Read More...

Epic world solar car race kick

Epic world solar car race kicks off in Australia

Have you ever heard of The World Solar Challenge? Its an endurance race designed to inspire innovation in solar power by having teams from all over the world design and build vehicles that are powered only by the sun, before racing them from Darwin in northern Australia to Adelaide in the south, Read More...