Beyond polymers: New state-of-the-art 3D micro and nanofabrication technique overcomes material limitations

Building things so small that they are smaller than the width of a human hair was previously achieved by using a method ...

Mastering the Modified Dietz Method for Investment Returns

Discover how the Modified Dietz Method measures investment returns, factoring in cash flow timing and excluding skewing ...
NPR

Sources & Methods

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...
IEEE

Analysis of ACB Factor and Dynamic Time-Preamble Table Methods for Random Access

Abstract: We define a capacity function in this paper to measure the maximum utility of the preambles. It is shown that the ACB (access class barring) factor method cannot reach the full capacity but ...