1991 ⟶ First SIM Card Developed by Giesecke & Devrient
The first sim card is developed by Munich smart-card maker G...Year
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⚙️ Ball Screw Invention
The ball screw is invented by Rudolph G. Boehm.⟶

Mechanical EngineeringPrecision EngineeringManufacturingAutomationMachine ToolsIndustrial Revolution

🔬 Ernst Ruska Invents the Electron Microscope
The electron microscope is invented by Ernst Ruska.⟶

MicroscopyPhysicsInstrumentationScientific RevolutionMedical AdvancementsMaterials Science

📱 Televerket Launches Nordic Mobile Telephone (NMT) System
Televerket, a Swedish state-owned corporation, launched the Nordic Mobile Telephone (NMT) system.⟶

TelecommunicationsMobile PhonesCommunication




🎧 MP3 Audio Compression Algorithms Published
Karlheinz Brandenburg would publish the audio compression algorithms that would be standardised as the: MPEG-1, layer 3 (mp3), and later the MPEG-2, layer 7 Advanced Audio Compression (AAC).⟶

AudioDigital MediaComputer Science

🎧 SoundCloud Launches, Pioneering On-Demand Music
SoundCloud, the first on-demand service to focus on music is debuted⟶

MusicInternetDigital MediaStreamingSocial Media
