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Posts Tagged ‘light


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This consumer report could have easily been a podcast episode from the Pessimists Archive. It dispelled the pseudo science and fear mongering around blue light and spectacle lenses that block it.

The eye and radiation experts that CNBC consulted both cited scientific data and current knowledge. For example, we might experience eye fatigue because we do not blink as much or not rest our eyes periodically while using screens. We also get 30 times more blue light from the sky than being indoors with screens.

The blue filtering lenses are more of a marketing gimmick designed to boost sales than to provide a safety feature to users. The problem is that potential customers hear “facts” from sales people and none from experts.

The bigger problem is that those users uncritically pass those myths along. The long term harm is that we accept easy to digest fallacy over critical forms of thinking. We become shortsighted that way.


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The problem presented in the video was people who would not wait for the light to turn green before they crossed the road. The red man made some of them see red.

A normal reaction would have been to monitor the crossings, enforce rules, and fine offenders. That is the Singapore way.

But instead of dealing with the problem in a conventional way, a group decided to make waiting for the traffic light fun. The problem presented an opportunity for change.

There are lessons from this for educators, school leaders, and administrators.

For example, many teachers still view student mobile devices as problems. They are actually an opportunity. But the solutions that stare them in the face might be obvious, conventional, and not likely to work.

Why not take the opportunity to try something outside the box? Make the change fun, different, and above all, human.

I follow iWise on Twitter because I like quotable quotes. Here is a tweet from yesterday:

I respond to the light because I do not like jumping in the heat. Unfortunately, responding to the light often means generating a fair bit of heat for others in my wake.

The best way to respond to the light and not feel the heat is to learn constantly. The process might feel like you are trying to develop attention deficit disorder, but important themes do emerge if you stop and reflect on some of that light.


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