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.
Glucose-tracking smart contact lens is comfortable enough to wear
The concept of a smart contact lens has been around for a while. To date, though, they haven't been all that comfortable: they tend to have electronics built into hard substrates that make for a lens which can distort your vision, break down and otherwise cause discomfort. A team of Korean Read More...
Volvo to put electric trucks on the road this year
This week, Volvo is adding itself to the list of many truck manufacturers working on electric trucks. The Swedish group says that it will bring the electric trucks to the road as soon as this year, starting with a line of medium-sized Read More...
Commercial flights on electric planes could be a reality sooner than you think.
Norway’s major airport infrastructure operator announced it wants to have 100 percent of all short-haul flights to be fully electric by 2040 at the latest. We’re talking about flights of about 1.5 hours or less, but still, it’s a big deal. For one, short-haul flights are far more polluting Read More...
Even without subsidies, renewables are cheaper than fossil fuels in America
Despite Trump’s efforts, renewable energy costs continue to decline while fossil fuels get pushed further from profitability. In fact, building new wind is actually cheaper than running existing coal in many parts of the U.S. Considering that this has all happened without the help of subsidies, Read More...
The craft brewery that runs on the sun
Thor Cheston loves craft beer so much, he was made a knight in Belgium, the global brewing capital. He's also a clean energy geek. When he founded Right Proper Brewing in Washington, DC, he invested in rooftop solar panels and energy efficiency. Cheston recently spoke about his passion for Read More...
Cheap grid-level power storage could be possible with molten salt batteries
While renewables are advancing faster than anyone could have imagined in terms of efficiency and price, we still don’t have the storage capabilities needed to transition entirely to clean energy. Lithium batteries are amazing for storing energy in electric cars, but they’re too expensive to be Read More...
Blockchain technology could help combat illegal tuna fishing
Blockchain technology is rapidly evolving beyond Bitcoin and being applied to different industries. One way it can help clean up the fishing industry is by bringing some much needed supply-chain transparency. The WWF is set to test out blockchain technology by keeping track of every step of the Read More...
Energy bills eat up the income of the poor. This activist wants to change that
An energy bill more than 6 percent of a household’s income is considered unaffordable. That's already a high threshold, but in some parts of the US many of the poorest families pay up to 20 percent. Upon learning this, one activist looked into the matter and found that the reason why low-income Read More...
Geologists find bacteria that takes traces of gold and turns them into nuggets
Your old mobile phone could hold value long after you throw it in the bin with a team of Australian researchers working to unlock the gold inside.Geologists have discovered bacteria on a patch of earth in regional Queensland that takes natural traces of gold and turns them into nuggets. The Read More...
Researchers are building better batteries using crumpled graphene balls
In the quest to improve on the lithium-ion batteries that power today's mobile devices and electric vehicles, lithium-metal batteries hold a lot of potential. Although they promise to hold much more energy per charge, they do have shortcomings in their current form, particularly when it comes to Read More...