# Yo

**Yocto**- Prefix representing a multiplication of 10
^{-24} **Yotta**- Prefix representing a multiplication of 10
^{24} **Yottametre**- A metric unit of distance equal to 10
^{24}metres. **Young, James**- Pioneered process of refining oil into Paraffin.
**Young Stellar Object**- The generic name for a star prior to its main sequence phase.
**Young′s Double-Slit Experiment**- A famous experiment which shows the wave nature of light.
**Young′s Modulus**- The modulus of elasticity is the slope of the stress-strain diagram in the linear region.