Engineering [2000-2027]
- 2000 - Bathtub curve
- 2001 - Combustion Engine
- 2002 - Control Engineering
- 2003 - Conversion Efficiency
- 2004 - Degrees of Freedom
- 2005 - Electrical Source
- 2006 - Fuel
- 2007 - Fuel Efficiency
- 2008 - Gear (Input)
- 2009 - Gear (Output)
- 2010 - Gear (Ratio)
- 2011 - Gearbox
- 2012 - LC Cicruit
- 2013 - Logic Gates
- 2014 - Noise
- 2015 - Nuclear Reactor
- 2016 - Power Plant
- 2017 - Project Management
- 2018 - Pulley
- 2019 - Radio
- 2020 - Screwdriver
- 2021 - Six Sigma
- 2022 - Transistor
- 2023 - Transistor (BJT)
- 2024 - Truth Table
- 2025 - PDCA Cycle
- 2026 - Filter
- 2027 - Oscillatory Circuit