ENGINEERING AROUND THE WORLD 1- OPTICAL ENGINEERING The Bilayer device that can control light Nearly ten years ago, en- of it, such as wavelength, gineers at Harvard an- phase and polarisation, in nounced the world’s first ways that were impossible visible-spectrum meta- before. For centuries, op- surfaces, flat, ultra-thin tical systems have relied devices coated with nano- on bulky curved lenses of scale structures that can glass or plastic to bend and 2- ENGINEERING SERGI ALBET control the behaviour of focus light. The two-layer WITH ARTIFICIAL Engineer and light. A team of research- metasurface is a major ad- INTELLIGENCE digital consultant ers has now developed a vance and a revolutionary Col·legiat 14.416 bilayer technology consist- way to achieve the same Brain implant @sergialbet ing of a two stacked sur- effects with nanometric faces of titanium dioxide structures. restores nanostructures. This new development offers a new Source: University of speech way to structure light that Harvard can control every aspect https://shorturl.at/8uHV2 Artificial intelligence (AI) is and will continue to be a resource that helps us to make rapid progress in many areas of our lives. One 3- WATER ENGINEERING of these advances can be found at the University of Berkeley, Capturing water for irrigation where a team of engineers has developed an AI-based model that can transmit intelligible A group of engineering students speech from the brain in real time. at Johns Hopkins University have This incredible development designed a prototype system for can restore natural-sounding collecting and storing rainwater to speech for people with severe irrigate the garden of a building on paralysis. The key lies in the the campus. One of their main goals transmission method that is to raise awareness of the need to synthesises brainwaves in an find solutions for conserving water. audible voice, practically in real The three main ideas behind the to weather conditions to test its time. The technology can help to project are to channel rainwater to resistance. significantly improve the quality the collection point, to create a dew of life for many people. net for gathering water during the Source: Johns Hopkins University night and to subject the prototype https://shorturl.at/2F5bg Source: Berkeley University https://shorturl.at/SYE3d .CAT 1. ENGINYERIA ÒPTICA 2. ENGINYERIA AMB 3. ENGINYERIA DE L’AIGUA Un nou desenvolupament portat a INTEL·LIGÈNCIA ARTIFICIAL La conscienciació de la cura de terme per enginyers de la Universitat Un descobriment desenvolupat per un l’aigua és un dels objectius principals Harvard revolucionarà el món de equip d’enginyers de la Universitat de del projecte d’un grup d’estudiants l’òptica. La nova tecnologia és capaç Berkeley permetrà la parla a persones d’enginyeria de la Universitat Johns de controlar el comportament de la amb paràlisi cerebral severa. El model, Hopkins. El projecte consisteix en llum com la longitud d’ona, la fase i basat en IA, transmet una parla el disseny d’un avançat sistema de la polarització amb unes estructures intel·ligible des del cervell en temps recollida i emmagatzematge d’aigua bicapa nanomètriques de diòxid de real mitjançant la sintetització de lua er regar un jardí del mateix titani. senyals cerebrals en veu audible. campus. 44 Theknos Maig-juny 2025 snikpoH snhoJ tatisrevinU ©dravraH tatisrevinU ©yelekreB tatisrevinU ©