Measuring human digestive efficiency vs. a flame
Applied Science
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Subscribe to see interesting applications of science and technology. You'll see how an electron microscope was built in a home shop, how an X-ray backscatter system works, how to make aerogel, and many other hi-tech projects. Topics usually include electromechanical systems, chemistry, and electronics. Hosted by Ben Krasnow.
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Video Description
"200 Calories" on a nutrition label doesn't describe the total flammable caloric content. I explore the differences between digestible and flammable calories using a homemade calorimeter with glass windows. Pressure sensor: https://www.digikey.com/en/products/detail/te-connectivity-measurement-specialties/M5842-000005-10KPG/7592854 Schedule 160 pipe on McMaster: https://www.mcmaster.com/7733K259/ 32 ga nichrome wire: https://www.amazon.com/gp/product/B07DL4DSWD/ Power supply (used for ignition wire): https://www.amazon.com/gp/product/B07SS77N7K/ Keithley 6.5 digit multimeter: https://www.tek.com/tektronix-and-keithley-digital-multimeter/dmm6500 Tek MSO 4 series oscilloscope: https://www.tek.com/oscilloscope/4-series-mso-mixed-signal-oscilloscope Soylent: https://soylent.com/ Hmm, I perhaps mis-remembered that 20% stat from Sally Le Page's video: https://www.youtube.com/watch?v=92F_yocEchA There may have been another source that indicated the 20% number. This will probably show up in my future video on macronutrients. Support Applied Science on Patreon: https://www.patreon.com/AppliedScience
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