Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

What is the light barrier?

Light barrier may refer to: The theoretical maximum speed that any physical object or information can travel at – the speed of light. An opto-electronic device used in security applications, also known as a light curtain

{{ relativeTimeResolver(1647530309821) }}
LIVE
Points points 3
Rating
Similar Questions
Sign in to view all similar questions
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 2 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Help Center Conditions of Use Privacy Notice

© 2010 - 2022, Amazon.com, inc. or its affiliates. All Rights Reserved.