Elon Musk's energy company is making glass shingles that double as solar panels.

We all know the feeling. Looking at your energy bill can be a lot like this:

How the heck did I use $30,000 worth of electricity? Was it all my Tesla coils? Photo from iStock.

Electricity is expensive. Renewable energy could help, but the technology has its hurdles to overcome, including cost, availability, and infrastructure.

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What happens to solar power when it isn't sunny? A simple question with an amazing answer.

"How does solar energy work when there's no sun?" has been a question for pretty much about as long as solar energy has been a thing.

Of course people wouldn't want solar panels on their houses if installing them meant that, come sunset, the movie they were watching suddenly shut off, forcing them to read by candlelight like colonial settlers. Making solar power a viable option, even when the sun sets or disappears behind some clouds, was one of the first things scientists and engineers had to figure out.

Photo by Andreas Rentz/Getty Images.

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It's the most dangerous electrical job in America. Bill Reimels was born to do it.

Danger! High voltage!

The power is out, and people are worried.

The streetlights have gone dark, and the traffic signals flicked off. Hospitals and data centers have stopped humming as emergency generators groan to life. Across the region, everything — cars, transit, homes, and businesses — is at a standstill. Technicians monitoring the grid confirm it is a major outage. With millions of dollars in lost time on the line, it needs to be identified and repaired as quickly as possible.

Bill Reimels lives for these moments.

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Deepwater Horizon

How democracies are helping the world end famine.

At this point, I feel like we've been electing the next president for 17 years. I know I'm not the only one.

Between the 24/7 news cycle, the constant speculation, the "Bachelor"-style dwindling of like 903 candidates down to two ... it's been a real drag.

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