3D printing tiny batteries
(Phys.org) —3D printing can now be used to print lithium-ion microbatteries the size of a grain of sand. The printed microbatteries could supply electricity to tiny devices in fields from medicine to communications, ...
(Phys.org) —3D printing can now be used to print lithium-ion microbatteries the size of a grain of sand. The printed microbatteries could supply electricity to tiny devices in fields from medicine to communications, ...
When researcher Richard Wrangham looks at the future of chimpanzees, he sees people.
There was jubilation in the streets of Nairobi last Thursday after the British government announced a $30 million settlement for abuses by colonial authorities during Kenya's Mau Mau rebellion in the 1950s.
Whether it's an effort to increase recycling rates, reduce energy usage or cut carbon emissions, the conventional wisdom says that the best way to get people to do the right thing is to make it worth their while with cold, ...
After 18 months of quiet effort, a committee of scholars from within the Faculty of Arts and Sciences (FAS) released a set of three reports this week on teaching the arts and humanities at Harvard College. ...
Did a shift in the way infants were weaned give early humans an evolutionary advantage over their Neanderthal cousins? Scientists have long speculated that a change to earlier weaning played a key role in ...
The world can only meet its future food needs through innovation, including the use of agricultural biotechnology, a Harvard development specialist said today.
Harvard physicists have developed a novel technique that can detect molecular variants in chemical mixtures – greatly simplifying a process that is one of the most important, though time-consuming, processes ...
They didn't always speak the same language, but climate scientists and disaster relief workers wrapped up a meeting Tuesday in agreement about the importance of leveraging climate insights into improved disaster ...
By simply manipulating chemical gradients in a beaker of fluid, materials scientists at Harvard have found that they can control the growth behavior of crystals to create precisely tailored structures—such ...
Four years ago this spring, Birtukan Midekssa was in solitary confinement in an Ethiopian prison. Her cell was 13 feet wide and 20 feet long and had no window. She was allowed only two visitors: her elderly ...
Suppose you're opening a restaurant next week, and you need signs for the restrooms. Which would you choose—signs with images that represent men and women, or signs that simply say "Men" and "Women"? Now ...
In the very early hours of the morning, in a Harvard robotics laboratory last summer, an insect took flight. Half the size of a paperclip, weighing less than a tenth of a gram, it leapt a few inches, hovered ...
If you had to explain what causes the change in seasons, could you? Surprisingly, studies have shown that as many as 95 percent of people—including most college graduates—hold the incorrect belief that ...
To Internet users, they're an often-ignored nuisance. But to Google, online ads are both big business and a showcase for some serious mathematics. The determination of which ad ultimately shows up on your ...