Issue # 310 _ December 2021
Cover
- Shortage risk
- Historic drought exposes vulnerabilities in Brazil’s electricity system, which is heavily dependent on hydroelectric plants By Yuri Vasconcelos
- The power of renewables
- Wind and solar energy expected to continue increasing their share in the power generation mix over the coming years By Yuri Vasconcelos
Covid-19
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In the spotlight
Brazil is one of the most referenced countries in publications about the disease
By Rodrigo de Oliveira AndradePhysics
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From metal to an insulator
Twisting a two-dimensional nanofilm allows an electric current to progressively pass through it
By Eduardo GeraquePublic policy
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Fine-tuned communication
Technological development favors urban safety and the fight against drug trafficking
By Christina Queiroz