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  • I realize that the 2020s are going to be completely different than this decade has been. There's going to be rapid progress. One of the most important aspects is going to be cheaper access to space. It changes everything. We have the ideas and the technology to do a lot of things, but we're limited financially, so, by reducing the cost of access to space, the whole problem is changed. Ultimately, the pieces that are coming together are going to allow us to send humans to Mars - and bring them back.

    Source: www.macleans.ca
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