A glimpse at the inner structure of the proton

The size of the space taken up by a proton's mass has been measured, and it's much smaller than previously thought. The result is a key step towards understanding the complex structure of this fundamental building block.

Automated summary

Scientists have measured the size of the space occupied by a proton's mass and found it to be much smaller than previously believed. This discovery is significant as it helps in unraveling the intricate structure of this fundamental building block.