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403(b) Tax-Sheltered Annuity Plan

**Summary:** A 403(b) plan (tax-sheltered annuity) is a retirement savings program for employees of public schools, governmental agencies, and certain nonprofits. It functions similarly…

401(k) Plans: What They Are and How They Work

**Summary:** A 401(k) is a tax-advantaged employer-sponsored defined-contribution retirement plan that lets employees save from payroll via elective deferrals, often with employer matching. This…

3D Printing (Additive Manufacturing)

**Summary:** 3D printing, or additive manufacturing, builds objects layer‑by‑layer from digital models. It shortens prototyping cycles, enables complex geometries and localized production, influencing costs,…