Xiaoyu Alan Zheng

Xiaoyu Alan Zheng is a mechanical engineer in the NIST Surface and Nanostructure Metrology Group. His research is focused on objective measurements and analysis of 2-D/3-D ballistics toolmarks. He is currently a member of the Subcommittee on Firearms & Toolmarks in the NIST OSACs as well as a technical adviser for AFTE.

Security Breach Podcast

January 10, 2023

This diagram made available by NASA shows the estimated trajectory of asteroid 2023 BU, in red, affected by the earth's gravity, and the orbit of geosynchronous satellites, in green.

Asteroid Coming Exceedingly Close to Earth

January 26, 2023

Fx0451 Z Flex 4 Port Charger 3 Q 22 0310 Main

4-Port Simultaneous Rapid Charger Fully Charges 50% Faster

January 24, 2023

Accelerating Digital Transformation of Machine Tool Industry with Siemens Xcelerator

January 18, 2023