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How Much Is a Supernova Worth?

How Much Is a Supernova Worth? | Friday Reading bp | Scoop.it
If I had a nickel for every nickel you could make from the nickel in supernova SN1999em, I’d be very, very, VERY rich. If I were you, dear BABloggee, I’d be thinking, “What the what?” So let me explain.
brianna's insight:

A supernova is worth money???

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Batteries Are Terrible. Here’s How to Fix Them.

Batteries Are Terrible. Here’s How to Fix Them. | Friday Reading bp | Scoop.it
Batteries are terrible. Compared to many other methods of storing energy, especially fossil fuels, batteries aren’t very energy dense—that is, a 1-pound battery stores far less energy than is contained in a pound of gasoline.
brianna's insight:

I wounder if they are really going to use this to replace batteries?will batteries finally then last longer, will they go up on prices for batteries?will they keep the batteries we have now or will they stop making them?

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