Some preppers have considered ramping up efforts since President Obama's re-election last week, convinced it means the economy will soon collapse in a cascade of debt. Some are convinced Iran or another enemy is developing an electromagnetic pulse weapon that would wipe out the power, communication and transportation grids, rendering useless any device with a microchip.
I asked Hoffman to estimate what share of fellow Silicon Valley billionaires have acquired some level of “apocalypse insurance,” in the form of a hideaway in the U.S. or abroad. “I would guess fifty-plus per cent,” he said, “but that’s parallel with the decision to buy a vacation home. Human motivation is complex, and I think people can say, ‘I now have a safety blanket for this thing that scares me.’ ” The fears vary, but many worry that, as artificial intelligence takes away a growing share of jobs, there will be a backlash against Silicon Valley, America’s second-highest concentration of wealth. (Southwestern Connecticut is first.) “I’ve heard this theme from a bunch of people,” Hoffman said. “Is the country going to turn against the wealthy? Is it going to turn against technological innovation? Is it going to turn into civil disorder?”
By his own estimate, Pense says there are a few thousand people in the Springfield area who have listened and who are ready. The preppers. Most don’t like to be called preppers because of the connotation that they’re crazy; Chicken Little wasn’t well-received by his people, either. Most don’t even like to talk about it, but a few of them do. So for three months toward the end of 2017, I sought out the doomsday survivalists to find out: Is it really crazy to live like the sky is falling?
Followers of James Wesley Rawles[45] often prepare for multiple scenarios with fortified and well-equipped rural survival retreats.[46] This group anticipates a near-term crisis and seek to be well-armed as well as ready to dispense charity in the event of a disaster.[43] Most take a "deep larder" approach and store food to last years, and a central tenet is geographic seclusion in the northern US intermountain region.[47] They emphasize practical self-sufficiency and homesteading skills.[47]
There are two scenarios everyone—prepper or not—should count on: losing power and being stranded in your car. I’m a big believer in backup power. I keep an emergency power supply plugged into an outlet in my apartment; it has a trickle charger so I can forget about it until my block goes dark. In my car, I keep extra blankets, a LifeStraw portable water filter, lighters, and Millennium energy bars. It’s not the Four Seasons, but at least my family will be able to survive 48 hours in our Honda Pilot. One thing to consider: You need to be with your gear when a disaster strikes. When Sandy hit in 2012, our whole family was in Connecticut while all my gear was in Manhattan. My wife had a good laugh. These days, my everyday bag is a waterproof Showers Pass backpack where I stash a small set of screwdrivers, multitool, glass breaker, three flashlights that use the same type of batteries, and a spool of Kevlar thread, all sorted in plastic bags. There’s a spoon and fork in there, too, because if I have to eat an MRE for dinner, I might as well look civilized while I do it.—Wylie Dufresne, Michelin-starred Chef, Owner Of Du’s Donuts, Prepper
Clement says the combination is the “single most useful thing” adventurers can carry. The jelly weighs down the cotton balls, whose long fibers allow a lot of air to move through. And the ferrocerium rod’s wood handle can be scraped for backup tinder. It’s lightweight and makes fire-starting possible even in a downpour. Your second-best option: stormproof matches, pictured below.

Those impulses are not as contradictory as they seem. Technology rewards the ability to imagine wildly different futures, Roy Bahat, the head of Bloomberg Beta, a San Francisco-based venture-capital firm, told me. “When you do that, it’s pretty common that you take things ad infinitum, and that leads you to utopias and dystopias,” he said. It can inspire radical optimism—such as the cryonics movement, which calls for freezing bodies at death in the hope that science will one day revive them—or bleak scenarios. Tim Chang, the venture capitalist who keeps his bags packed, told me, “My current state of mind is oscillating between optimism and sheer terror.”

According to Hobel, shelter is your first priority. Lay down cardboard and other materials to insulate yourself from the ground. (Even in summer, the ground can have temperatures that lead to hypothermic conditions.) Use tarps, blankets, pillows—whatever you can find—to build the shelter on that layer. It should be as low to the ground as possible, and you shouldn’t be able to sit up when you’re inside, Hobel says. Other than the airflow you need to breathe, block all openings to keep cold air from coming in. It’s a matter of conserving heat. A lot of people don’t realize that their bodies are heat sources, Hobel says. You’re almost 100 degrees. Trap that heat around you instead of letting it rise in a tall shelter, and you won’t need a fire to stay warm.