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When Time magazine says something is the coolest thing in the world, you have to be wary, but those eagle-eyed futurists have hit one out of the park. The Java-Log is a lump of compressed coffee grounds and offers:

a slightly sweet aroma but no coffee aroma, no chemical smell, and less carbon dioxide than traditional fires.

We can also assume that you can put one of these in the Snorkel fiery hot tub and make a huge pot of java for the Hell's Angels parked on your back forty.

Burn Recycled Coffee Grounds in Your Fireplace with Java Logs [SingleServeCoffee]

Prices for Java-Log [Shopping.com]