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Magnetic levitation is just one of the interesting attributes that make superconductors so interesting. Mark Garlick/Science Photo Library vie Getty Images

How do superconductors work? A physicist explains what it means to have resistance-free electricity

Superconductors are materials that can transmit electricity without any resistance. Researchers are getting closer to creating superconducting materials that can function in everyday life.
Motorists drive at night on a road without street light as Nigeria struggles with power outages in a commercial district of Lagos. Photo by PIUS UTOMI EKPEI/AFP via Getty Images

Why Nigeria’s electricity grid collapses and how to shore it up

Nigeria’s national electricity grid has collapsed more than 200 times since 2010, regularly resulting in widespread blackouts.
A banner reads “Fuera Luma” (Luma out), opposing the company managing Puerto Rico’s electric grid, at a May Day protest in San Juan on May 1, 2021. Ricardo Arduengo/AFP via Getty Images

Puerto Rico has a once-in-a-lifetime chance to build a clean energy grid – but FEMA plans to spend $9.4 billion on fossil fuel infrastructure instead

Four years after Hurricane Maria wreaked havoc on Puerto Rico, federal money to rebuild its electricity system is finally about to flow. But it may not deliver what islanders want.
Water rushes through the Carillon Hydro electric dam in Québec. THE CANADIAN PRESS/Ryan Remiorz

Why Canada should invest in ‘macrogrids’ for greener, more reliable electricity

The electricity sector is expected to play a key role in Canada’s push to net-zero emissions. Enhancing long-distance transmission can be lower the cost of providing clean and reliable electricity.
Renewable energy being installed at a community in the Northern Territory. Researchers have predicted Australia’s emissions are set to fall, but warn the renewables deployment rate must continue. Lucy Hughes-Jones/AAP

Some good news for a change: Australia’s greenhouse gas emissions are set to fall

Australia’s renewables revolution proves that there’s cause for hope in our emissions reduction goals. But we cannot rest on our laurels.

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