From: '''newspam'''@nonad.co.uk   
      
   On 18/12/2022 01:00, RichD wrote:   
      
   > How do they measure the calorie content of food items?   
      
   Bomb calorimetry. Burn it in oxygen at constant volume which makes the   
   reaction go very fast. Then measure the temperature rise it causes in a   
   known volume of water (or other calibrated heatsink). eg   
      
   https://www.scimed.co.uk/product-category/bomb-calorimeters/   
      
      
   --   
   Regards,   
   Martin Brown   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)