Greg Clarke@lemmy.ca to Today I Learned (TIL)@lemmy.caEnglish · 23 hours agoTIL that a gram of uranium contains 20 million kcals so if you ate just one gram of uranium you would have enough calories for the rest of your life.message-squaremessage-square36fedilinkarrow-up1114file-text
arrow-up1114message-squareTIL that a gram of uranium contains 20 million kcals so if you ate just one gram of uranium you would have enough calories for the rest of your life.Greg Clarke@lemmy.ca to Today I Learned (TIL)@lemmy.caEnglish · 23 hours agomessage-square36fedilinkfile-text
minus-squareMentalEdge@sopuli.xyzlinkfedilinkarrow-up3·edit-210 hours agoNot your belly, but in your cells, yes. The reason you need oxygen, is that your cells use it to “burn” stuff a few atoms at a time, for energy. It’s the same reaction as fire. Oxidation. Though inside our bodies it happens in an extremely controlled manner. Although cellular respiration is technically a combustion reaction, it is an unusual one because of the slow, controlled release of energy from the series of reactions.
Not your belly, but in your cells, yes.
The reason you need oxygen, is that your cells use it to “burn” stuff a few atoms at a time, for energy.
It’s the same reaction as fire. Oxidation. Though inside our bodies it happens in an extremely controlled manner.