Science Literacy Project
Storyboard Descrição
Visual description of the definition of the kilogram
Texto do Storyboard
- PLANCK'S GYM
- Which barbell are you going to bench?
- 6.626 x 10^-34 J x s
- 1 Kg
- It doesn't make a difference, they weigh the same.
- What do you mean?
- 6.626 x 10^-34 J x s
- They weigh the same because scientists just changed the definition of the kilogram from a physical weight to Planck's constant.
- 1 Kg
- Why would they need to change it from a physical weight?
- 6.626 x 10^-34 J x s
- A physical weight slowly loses mass over time. You can't get buff lifting weights that weigh less each time.
- 1 Kg
- They want to change the second to make atomic clocks more accurate.
- What other units are scientists changing?
- 1 Kg
- 6.626 x 10^-34 J x s
- Nope, we'll have the same amount of time as always to get swole.
- Does that mean there is more time in a day?
- 1 Kg
- 6.626 x 10^-34 J x s
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