On Aliens

Aliens exist, there’s no two ways about it. There are so many billions of stars out there in the universe that there must be all sorts of different forms of life. Will they be like you and me, made up of carbon and nitrogen? Maybe not. It’s possible they’re here right now and we simply … Continue reading On Aliens

urgency trumps understanding

There’s some sort of metaphor in the story of these two photos of the Earth from the moon’s surface; one low-resolution and one high-resolution, one broadcast at the moment and the other only decoded by volunteers some forty years after the fact. It’s hard to see and transmit what’s happening right now clearly, no matter … Continue reading urgency trumps understanding

Stephen Hawking is backing a project to send tiny spacecraft to another star system within a generation

The concept is to reduce the size of the spacecraft to about the size of a chip used in electronic devices. The idea is to launch a thousand of these mini-spacecraft into the Earth’s orbit. Each would have a solar sail. This is like a sail on a boat – but it is pushed along … Continue reading Stephen Hawking is backing a project to send tiny spacecraft to another star system within a generation