Business
这些大发明家改变了世界，但他们也有些失败的发明
我们应该感谢发明家对现代生活所做的各种贡献，但在他们的丰硕成果背后，也有一些充满着奇思妙想的失败作品，它们有些可以运转但没有成功投入市场，有些甚至只是昙花一现。 以下是一些我们熟悉的发明家手中失败的发明成果： 托马斯·爱迪生曾尝试批量生产混凝土建筑 托马斯·爱迪生曾认为批量生产的混凝土建筑将会大受欢迎，这也无可厚非，毕竟原先的洋基体育场是由爱迪生波特兰水泥公司建造的...
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This machine can read your emotions
A team at MIT have developed a device that uses radio waves to predict your emotion.
Business
These famous inventors helped changed our world, but not all their inventions were a success
From Thomas Edison's mass-produced concrete buildings to Alexander Graham Bell's flying machine, here are some inventions that didn't take off.