科学60秒:刹车时的心想意动
When you’re [--3--], or doing anything physical, your brain knows what it wants you to do before your body swings into action. Most times, this minor delay between thinking and doing is no big deal. But when you’re moving at 60 miles an hour and the car in front of you [--4--], every fraction of a second counts.
Researchers recorded how quickly volunteers reacted when the lead vehicle in a driving simulator suddenly hit the brakes. Sensors monitored the subjects’ brain activity. Turns out drivers knew they needed to slow down more than a tenth of a second before they get [--5--] the brakes.
That might not seem like much, but if cars could read minds, they could stop 12 feet sooner at highway speeds. Which could mean the difference between a scare and a smash.
【视听版科学小组荣誉出品】
- 相关热点:
- 品牌听力
- 英语六级听力场景词汇