Australia's Science Forum

Hi people, There are almost 1500 students here with 9 or 10 classes from year 7-10 and 2 to 3 chem, physics and bio classes in years 11 and 12 and 1 senior science and 1 earth and environmental science class. There are 8 labs spread from one end of the school to the other (including a portable lab),...

Hi, How do you sterilise a batch of nutrient agar using a pressure cooker? Is it similar to an autoclave where you just put the nutrient agar powder and water in a sealed schott bottle and 'cook' it for the appropriate time? If so, how long do you give it for say 400mL of NA? Then, do you pour the p...