3+ hour, 35+ min ago  (490+ words) Your right to use a wood heater might be at risk, but banning them isn't the answer. Australians can achieve cleaner air without removing choice, says the Australian Home Heating Association (AHHA), which is calling for a more practical, evidence-based…...

4+ week, 1+ day ago  (1030+ words) 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…...