A few years ago, we started a company called Backyard Brains and we make DIY neuroscience equipment and I brought some here tonight, and I want to do some demonstrations.
几年前，我们成立了一家 名叫 Backyard Brains  的公司， 主要生产DIY的神经科学仪器， 我今天带来了一些， 打算为大家做现场的演示。