That’s physicist Michio Kaku talking about the upsides, downsides, insides and outsides of having a replicator like on Star Trek to make anything we’d ever need or want. It’s a compelling vision and he’s right that its implications go far beyond the economic to include cultural, social, even psychological. Kaku says it’s possible to make such a device and suggests we’ll have it in 100 years.

I say we’ll have it in 20.

A longtime friend of mine has significant pieces of a replicator functioning in his lab right now. He’s no mad scientist but a respected engineer who is known for his broad technical interests. Right now he can’t make you a mug of Earl Grey […]