I just watched that video a few days ago, and felt similarly.
Unfortunately, host, as dc_dux has noted, there are a lot of forces AGAINST innovation in this world.
While some breakthroughs will happen, there are many more blockaded by people who disagree with them. Nanotechnology is one, and so is stem cell research.
For every person supporting an innovation, there are probably at least three people opposing it; one who believes it is unethical, one who is making too much money in the current system and doesn't want it to change (RIAA, for example), and one who is too self-concerned to care about the innovation because it doesn't directly affect them.
"BigDog" and our Space Program have both flourished because they don't yet present a 'danger' to those who matter (ethically, financially).
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"I'm typing on a computer of science, which is being sent by science wires to a little science server where you can access it. I'm not typing on a computer of philosophy or religion or whatever other thing you think can be used to understand the universe because they're a poor substitute in the role of understanding the universe which exists independent from ourselves." - Willravel
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