Category: Featured
Bidirectional coordinator enhances ion arrangement in perovskite solar cells
(a) Cross-sectional SEM images of the perovskite films deposited on the control- and CsX-treated SnO2, configured as FTO/control- and CsX-treated SnO2/Perovskite/Spiro-OMeTAD. (b) GIXRD spectra of the perovskite films deposited on…
Brazil’s shutdown of X fans debate over free speech curbs
Supporters of former Brazilian President Jair Bolsonaro (2019-2022) hold a sign thanking X social media platform owner Elon Musk, during an Independence day rally in Sao Paulo, Brazil on September…
How online crowds wield power, for good and bad
Credit: Pixabay/CC0 Public Domain How do online crowds form, grow and behave? How do they wield influence? What distinguishes desirable crowd activism from mob harassment? In the summer of 2022,…
Is cooling paint the key to turning down the planet’s temperature dial?
Rooftop cooling paint reduced the interior temperature of temporary storage sheds in Texas and Northeastern’s Burlington campus this summer by at least 5°C. Credit: Northeastern University The summer of 2024…
Robot leg powered by artificial muscles outperforms conventional designs
While conventional robotic legs are driven by an electromagnetic rotary motor (left), for their musculoskeletal system the researchers use electrohydraulic actuators – i.e. artificial muscles (right). Credit: Thomas Buchner /…
Big tech is painting itself as journalism’s savior: We should tread carefully
Credit: Unsplash/CC0 Public Domain We’ve long been warned about the looming demise of traditional journalism in the face of digital disruption. But some tech giants, once the very disruptors themselves,…
Apple’s upcoming iPhone will catapult the tech trendsetter into the age of AI
The iPhone 15 Pro is shown after its introduction on the Apple campus, Sept. 12, 2023, in Cupertino, Calif. Credit: AP Photo/Jeff Chiu, File Apple’s ubiquitous iPhone is about to…