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Your donations or sponsorships are tax-deductible. All matching donations or sponsorships will also be put into escrow, and if we are unable to reach our goal, all funds will be returned to donors, and no spending will have happened.

The City has released $50K to be put into escrow, and these funds will be released when our working group is able to match these funds.

We intend to use this unique space at the Foundry Garage equitably, safely, and conscientiously to serve as a community asset, preserve a portion of the tax base in conjunction with other efforts, protect workers, and do our part to undo some of the damage the pandemic has done and will do to our community. We recognize the Foundry Place Garage as both an underutilized space, not close to meeting its revenue goals for the city, and as a space where community can safely gather - where food, drink, and alcohol can be safely served, and where performance can be enjoyed with social distance and with minimal impact to the surrounding neighborhood. Pop Up Rooftop is a grassroots collaborative of business-people, designers, and other community leaders working to use one particular piece of city-owned property to help mitigate COVID-related financial losses to local businesses, and thus workers and the tax base, by turning it into a socially distanced pop up market and performance space.

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Full production units could be deployed within a year.On June 24th, the City of Portsmouth Task Force voted to release $50K of their special projects budget to help fund the Pop Up Rooftop at the Foundry Garage project!! We need your help to match it, and this is an urgent, time-sensitive request.

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Depending on the mission, swimmers might dump the PowerSwim, along with rebreathers and other gear, before setting foot on land.ДЄnd unlike many DARPA programs, PowerSwim is coming soon-McQuiston says that the device is at the packaging stage, as researchers determine how to possibly fold or otherВwise reduce its overall footprint, to allow for more efficient transport. The goal isn't to increase the total distance that personnel can cover, but to get them there more quickly, and with more energy. If the device is widely used, it could be a huge benefit for combat divers, letting SEALs reach coastal targets without becoming over-exhausted. During tests, it typically took around 2 hours for Navy SEALs to fight the urge (and years of training) to move forcefully and learn the PowerSwim's unique motion. This takes the emphasis off the small muscle groups used to kick, and allows larger muscle groups, such as the glutes and quads, to take over. As DARPA program manager Barbara McQuiston explained, the swimmer is essentially relaxing into a slightly bent position, instead of forcing or pushing the foils through the water. Much of that boost in metabolic efficiency is due to the muscle groups used. When used properly, the device allows swimmers to cover a given distance up to 150 percent faster than with fins, while using the same amount of energy. And while artificial fins operate within the swimmer's own wake (they form a kind of expanding cone, starting at a swimmer's shoulders), the PowerSwim's lead foil-or propulsor foil-sweeps through the water just outside that wake. Similar to the way a dolphin or tortoise pumps its fins, this motion generates both lift and thrust.

Instead of kicking, PowerSwim calls for a kind of undulation as its hinged foils pivot up and down. Not to be outdone, the Pentagon's research wing, DARPA, is developing a contraption that lets Navy SEALs and other combat divers swim faster, and with less effort. We can boost our efficiency to 10 percent by adding fins, but dolphins, by comparison, can turn 80 percent of their energy into thrust. Humans are terrible swimmers, converting roughly 3 percent of their kicks, strokes and general underwater exertions into forward motion.