Researchers at UNSW Sydney have harnessed the power of ultrasonic sound waves to make espresso-strength coffee with room-temperature water, cutting energy use by up to 75%. That morning coffee kick from a shot of espresso needs boiling water and high pressure—equaling plenty of energy consumption, right?

It's no secret that the last few years have seen a massive explosion in the use of artificial intelligence for general information-gathering. An even more recent trend, though, is how large language models (LLMs) like ChatGPT, Claude and Gemini are increasingly being used for verifying and consuming news. Reports from the Pew Research Center over the last year found that 1 in 5 U.S. teens regularly use LLMs to get their news, while 1 in 4 young adults have reported using them for that purpose at least once.

Rideshare e-scooters and e-bikes, and a change in public perception, could help close the gap between public transport hubs and commuters' starting points or destinations, according to a new report.