3+ hour, 15+ min ago  (1039+ words) Image from: UNSW/Richard Freeman 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…...

5+ mon, 3+ day ago  (1008+ words) New research shows a significant number of solar panels degrade or fail much sooner than expected. Around a fifth of solar panels examined in a new study fail much faster than expected and some may last for only half their…...