Et Tu, Signal?
Software developer Stephen Diehl on Signal's move to introduce support for cryptocurrency: Many technologists viscerally felt yesterday's announcement as a punch to the gut when we heard that the Signal messaging app was bundling an embedded cryptocu.....»»
Researchers boost signal amplification in perovskite nanosheets
Perovskite materials are still attracting a lot of interest in solar cell applications. Now, the nanostructures of perovskite materials are being considered as a new laser medium. Over the years, light amplification in perovskite quantum dots has bee.....»»
Apple preharvest drop not linked to xylem functionality
Heat stress induces and accelerates leaf senescence, which is characterized by a loss of chlorophyll and cellular membrane deterioration, as well as oxidative damage). Leaf senescence can be exacerbated by the hormone ethylene, which acts as a signal.....»»
Harnessing all-dielectric metamaterials to manipulate the polarization state of light
Polarization is one of the fundamental characteristics of electromagnetic waves. It can convey valuable vector information in sensitive measurements and signal transmission, which is a promising technology for various fields such as environmental mon.....»»
Novel path of intercellular signal sharing discovered in zebrafish experiments
Researchers at the University of Exeter, U.K., have discovered intricate mechanisms of ligand–receptor complex transport via specialized protrusions transporting signaling components between cells, challenging the conventional understanding of cell.....»»
A whiff of tears reduces male aggression, says study
Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression......»»
Apple wants AI to run directly on its hardware instead of in the cloud
iPhone maker wants to catch up to its rivals when it comes to AI. Enlarge / The iPhone 15 Pro. (credit: Apple) Apple’s latest research about running large language models on smartphones offers the clearest signal yet t.....»»
Call of Duty: Modern Warfare 3 Zombies: how to complete Bad Signal
A new season means new missions to run in Modern Warfare 3 zombies. The Bad Signal mission is first, but isn't going easy on you. Here's how to complete it......»»
Economic signs signal auto pricing precipice may be near, experts say
U.S. auto sales in November were up an estimated 9 percent year-over-year to an estimated seasonally adjusted annualized rate of sales of 15.54 million. But analysts and executives agree that pricing and interest rates are starting to take a bite......»»
A low-cost microscope projection photolithography system for high-resolution fabrication
Integrated optical signal distributing, processing, and sensing networks require the miniaturization of basic optical elements, such as waveguides, splitters, gratings, and optical switches. To achieve this, fabrication approaches that allow for high.....»»
Telescopes didn"t always play nicely with each other. That"s about to change
Those readers who have dabbled with astronomical imaging will be familiar with the technique of taking multiple images and then stacking them together to improve the strength of the signal, yielding better images. Taking this technique further many r.....»»
Study shows plants use air channels to create a directional light signal and regulate phototropism
Plants have no visual organs, so how do they know where light comes from? In an original study combining expertise in biology and engineering, the team led by Prof Christian Fankhauser at UNIL, in collaboration with colleagues at EPFL, has uncovered.....»»
Does Monarch: Legacy of Monsters signal the slow death of the cinematic universe as we know it?
Monarch: Legacy of Monsters is a frequently entertaining adventure series, but it also feels like a relic of an era that's either dead or dying......»»
Researchers develop self-sorting coacervates for high-order protocell networks
Protocell networks assembled by artificial cell-like compartments have been developed for the expansion of cell-mimicking functionalities, such as signal processing, protein expression, morphological differentiation, and energy harvesting......»»
Researchers develop light-activated protein superglue for fast and precise control of cells and tissues
Researchers at Tampere University have been involved in an international study to develop new tools for the light-activated control of cells. These tools are especially welcome for understanding processes where a fast initial signal leads to long-ter.....»»
Signal is a step closer to ditching phone numbers in the name of privacy
Users will soon be able to use usernames to connect with each other instead of giving out their personal number. Here's all you need to know......»»
Uber"s earnings, bookings, signal robust trip demand
Uber gave a forecast for bookings and profit that signal robust demand for the company’s ride-hailing and food delivery businesses in the busy holiday period......»»
Pair-bonded Java sparrows show enlarged eye rings to signal breeding readiness
Birds are known for their elaborate courtship rituals and romantic gestures that are replete with beautiful songs, complex dances, gift-giving practices, preening, and flamboyant plumage. While changes in colorful external attributes during this peri.....»»
Exploring cell-to-cell signals in plants that trigger photosynthesis and defense mechanisms
Traffic lights signal to cars and buses when to stop, slow and go. Much like traffic lights, plant cells send signals to each other to perform photosynthesis to grow or fight off destructive viruses and pathogens......»»
Revolutionizing radar: Integrated THz emitter for precise rotating target detection
You may not realize it, but the Doppler effect is everywhere in our lives, from tracking the speed of cars with radar to locating satellites in the sky. It's all about how waves change their frequency when a source (like a radar signal) and a detecto.....»»
Scientists discover new molecule that combats viral infection in bacteria
A Ph.D. researcher at the University of St Andrews studying microbes in the human gut has discovered a new molecule that acts as a "distress signal" when viruses are detected. The research is published in the journal Nature......»»