You know that feeling when you try to do a good thing and then accidentally scorch the entire planet? Yeah, the future can be terrifying. Lasers, artificial intelligence, and nanotechnology are on the horizon. Soon, science will become so advanced that you could move objects with the power of your mind.

Some of these advancements have the potential to end all life on Earth as we know it. Today, we'll be looking at five technologies that could save us and destroy us at the same time.

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