An ‘invisible umbrella’ that uses a jet of air to deflect raindrops has surpassed its fundraising goal of US$10,000 to reach US$30,493 on crowdfunding site Kickstarter, with nine days remaining
An ‘invisible umbrella’ that uses a jet of air to deflect raindrops has surpassed its fundraising goal of US$10,000 to reach US$30,493 on crowdfunding site Kickstarter, with nine days remaining