AMHERST, Mass. (AP) — If a picture is worth a thousand words, then Jonathon Keats figures a picture can also span a thousand years. Keats, a San Francisco writer and self-described experimental philosopher and conceptual artist, has designed a "millennium camera" that he intends to mount in a churchless steeple on a college campus and chronicle climate change by taking a 1,000-year exposure of a western Massachusetts mountain range. If it seems far-fetched, consider that some of Keats' previous endeavors include selling tracts of real estate in the theoretical extra dimensions of space-time; opening a photosynthetic restaurant that serves gourmet sunlight to plants; choreographing honeybees; copyrighting his own mind to give his "intellectual property" a 70-year post-life extension; and, controversially, joining in a bid to genetically engineer God. Even at his quirkiest, Keats notes he always has a serious message to deliver, and in the case of the millennium camera — a cylindrical device small and light enough to hold in one hand but hopefully durable enough to survive the centuries — it's encouraging people to think beyond their own human lifespan to what geologists call deep time, the lengthy periods in which the world changes on a grand scale. "We need to find a way to think in deep time if we are to responsibly make use of the technologies we have," he says.