1899 ⟶ Waldemar Jungner Invents Rechargeable Batteries
Waldemar Jungner invents the rechargeable nickel-cadmium bat...
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1981
🔋 Gaston Planté Invents the Lead-Acid Battery
Gaston Planté invents the lead acid battery, the first rechargeable battery.⟶
BatteryElectricityEnergyIndustrial Revolution
France🧨 Alfred Nobel Invents Dynamite
Alfred Nobel invents dynamite, the first safely manageable explosive stronger than black powder.⟶
ExplosivesMiningConstructionWarfareAlfred NobelIndustrial RevolutionSafety
Sweden🔋 Carl Gassner Invents the Zinc-Carbon Dry Cell Battery
Carl Gassner invents the zinc–carbon battery, the first dry cell battery, making portable electronics practical.⟶
BatteryElectricityIndustrial Revolution
Germany🔋 Waldemar Jungner Invents Rechargeable Batteries
Waldemar Jungner invents the rechargeable nickel-cadmium battery (NiCd) as well as the nickel-iron electric storage battery (NiFe) and the rechargeable alkaline silver-cadmium battery (AgCd)⟶
BatteryElectricityEnergyIndustrial Revolution
Sweden📱 Comvik Launches Unlicensed Commercial Cellular System
Comvik, a Swedish telecommunications company, launched the first commercial automatic cellular system. However, according to the Swedish Post and Telecom Authority, the company launched an unlicensed automatic system. Comvik didn’t receive a license to operate until December 1981, two months after the NMT system was launched.⟶
TelecommunicationsCellular TechnologyWireless CommunicationMobile PhonesTechnology History
Sweden