lâmpada

Science and Technology

Brazilian mechanic invents simple solar lamp using water and chlorine in a PET bottle, providing up to 60 watts of light during the day

Noel Budeguer 04/07/2026 at 14:41

Science and Technology

Swiss startup revolutionizes the market with a sustainable modular lamp, fully repairable and made with recycled plastics to last for decades.

Fabio Lucas Carvalho 17/04/2026 at 00:28

Science and Technology

From the light bulb to the ENIAC: the Edison effect paved the way for diodes and triodes, amplified radio and telephony, turned into Boolean logic with relays, and created giant computers, leading to the leap towards modern silicon.

Carla Teles 09/04/2026 at 12:19