Today’s Solutions: April 11, 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.

This city’s subway system wi

This city’s subway system will soon run mostly on renewable energy

This city’s sleek, European-made subway cars, riding on rubber tires that barely make a noise on the steel rails, carry 2.4 million passengers a day during the week in a metro system considered South America’s most modern. Now it has another distinction: It is about to become one of the Read More...

How electric vehicles could ta

How electric vehicles could take a bite out of the oil market

When will cars powered by gas-guzzling internal combustion engines become obsolete? Not as soon as it seems, even with the latest automotive news out of Europe. First, Volvo announced it would begin to phase out the production of cars that run solely on gasoline or diesel by 2019 by only releasing Read More...

Shell sees the end of oil and

Shell sees the end of oil and CEO’s next car will be electric

The CEO of Royal Dutch Shell last week delivered the clearest indication yet that the electric car revolution is hastening the decline of global oil demand and that clean renewable energy is taking over. “When that will be is not certain. But that it will happen, we are certain,” he told Read More...

3D metal printing is taking of

3D metal printing is taking off and it will revolutionize manufacturing

It’s hard to underestimate the impact 3D printing will have on manufacturing. For more than a century, making things meant building factories. And different things often meant different factories. 3D printing will change that and one company is making a huge step with a fully-automated, Read More...

Global funding for battery sto

Global funding for battery storage, smart grids tops $1 billion first half 2017

The total global funding raised during the first half of the year for the battery storage, smart grid, and energy efficiency sectors topped $1 billion, a 25% increase over the same time a year ago, according to new figures published by Mercom Capital. Mercom Capital Group, a global clean energy Read More...

World’s first autonomous

World's first autonomous, all-electric cargo ship to launch next year

The world’s first crewless, autonomously operated ship is set to sail in late 2018. The Norwegian-built Yara Birkeland is being dubbed the “Tesla of the Seas” because the vessel is fully electric. The $25 million ship will initially start out as a manned vessel, moving to Read More...

Tesla Model 3 is more than an

Tesla Model 3 is more than an electric car―it’s a landmark in automotive history

The air is electric in Fremont, California, where a lucky few gather to witness a momentous moment. Thirty employees rub their hands together in glee, awaiting their prize after months of waiting. Elsewhere around the world, the faithful—the 350,000-odd people who threw down a $1,000 Read More...

Simusolar and Sculpteo use 3D

Simusolar and Sculpteo use 3D printing to bring solar energy to Tanzania

Between three countries – Kenya, Uganda and Tanzania – is Lake Victoria, the largest lake in Africa. On its shores, the people of Tanzania depend on the fish that come from its waters. Not long ago, fishermen would go out at night with oil lamps burning to fish in the coolest part of Read More...

Canada sees opportunity to bec

Canada sees opportunity to become biofuel superpower for airlines

Canada’s airlines plan to use the rich resources of their country to massively transition to using biofuels. Canada has the potential to become a biofuel superpower by transforming forest residue and agricultural crops into energy that can help the airline industry reduce greenhouse gas Read More...

Researchers develop mobile pho

Researchers develop mobile phone that does not need a battery

Car companies are working on electric vehicles with solar panels on their roofs that charge the battery while driving. There are smart phones that recharge with solar panels integrated into their screens. Researchers have now gone one big step further and have developed a phone without a battery. Read More...