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Unsung Heroines: Women Who Invented Your Tech
19 Nov, 2025
Summary
- Hedy Lamarr's frequency hopping paved the way for WiFi.
- Grace Hopper pioneered compilers, shaping modern programming.
- Stephanie Kwolek invented Kevlar, a material stronger than steel.

Behind the devices and digital tools we rely on daily are the groundbreaking innovations of women, whose contributions are frequently forgotten. From enabling internet connectivity to ensuring safety and transportation, these women have profoundly shaped our modern world.
Hedy Lamarr, an actress by profession, co-invented frequency hopping, a technology that became foundational for WiFi and GPS. Grace Murray Hopper, a mathematician and naval officer, pioneered automatic programming and developed the first computer compiler, paving the way for contemporary programming languages. Stephanie L. Kwolek, a chemist, synthesized Kevlar, a synthetic fiber renowned for its exceptional strength and durability.




