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Ответом на все три вопроса вполне подойдет этот ролик youtube.com/watch?v=OuuSZa1r9Jc
1 Вт. Это очень много.
нужно было указать для старта не $160,000, а $200,000 это бы покрыло расходы.
5 минут раз в 3 дня не так уж и страшно

А бекеры вообще смотрели видео? На пятисекундном демо волосы мягкие(явно не на лице) и срезаются очень медленно, что неприемлемо. Куча бородачей включая недобритого СЕО с красной шеей рассказывают про чудо аппарат на фоне двойных интегралов. Пока что какой то фейк.
Свежие новости от авторов проекта: https://www.indiegogo.com/projects/the-skarp-laser-razor-21st-century-shaving#/updates
Статья от июля 2016 года о проекте: https://www.cnet.com/news/skarp-laser-razor-what-happened/
Skarp's Laser Razor has officially been delayed until at least the end of 2016. King says the goal is to produce an initial prototype run of 5,000 units and ship those to backers by the end of the year, but he cautions that the date might slip even further.
The primary delay was to develop and manufacture a new custom laser diode to better cut hair. King says Skarp now has a relationship with a custom diode manufacturer.
… Skarp believes the laser razor won't require medical certification, but rather will be treated as something akin to a laser pointer.
… Skarp admits to deleting some comments. "There have been some comments posted which probably the guys find more than unnecessarily offensive and have decided to take down," says King.…
Skarp will not promise regular updates to backers. While King says he's encouraging the team to share more about the process, he says they're still worried about potentially revealing secrets that competitors can use. He insists that they're hard at work: "It's not something where you backed it with your money and your money's gone."…
Skarp admits it overpromised regarding ship dates. "Perhaps it should have gone out more as a 'We need some help developing the technology to see if it works' instead of hard dates to ship the product," says King.
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