Guest Thinkers — November 2, 2010

Intergalactic “G” Mail?

Could the power of gravity be harnessed as a means of nearly instantaneous communication between planets—and even galaxies?

Michio Kaku

A weekly newsletter featuring the biggest ideas from the smartest people

Every Wednesday, Michio Kaku will be answering reader questions about physics and futuristic science. If you have a question for Dr. Kaku, just post it in the comments section below and check back on Wednesdays to see if he answers it.

Today, Dr. Kaku addresses a question posed by Aaron Anderson: Can we utilize the orbital gravity of the outer planets to propel messages far beyond our solar system?

A weekly newsletter featuring the biggest ideas from the smartest people

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8 lessons on lifelong learning from an astrophysicist

Beyond stars, galaxies, and gravity, studying the fundamental workings of nature reveals widely applicable lessons for learners everywhere.

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Einstein’s big insight that explained Newton’s law of gravity

For centuries, Newton’s inverse square law of gravity worked beautifully, but no one knew why. Here’s how Einstein finally explained it.

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Modern astrophysics answers Isaac Newton’s oldest question

Straddling the bounds of science and religion, Newton wondered who set the planets in motion. Astrophysics reveals the answer.

Einstein with his class of students in 1896

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The scientist’s 10 commandments

There are many things that separate science from ideology, politics, philosophy, or religion. Follow these 10 commandments to get it right.

separation normal matter dark matter galaxy cluster

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Ask Ethan: Can you explain wide binaries and modified gravity?

There are many theories of gravity out there, and many interpretations of wide binary star data. What have we really learned from it all?

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