ARTEFACTO A PLACE WHERE TO START – By Adrian Palacios

Question

In these days, when many of us will take a plane to go back home for Christmas, something went through my head. If the plane you are in has to do an emergency landing on water, the crew instructions clearly state that one should not inflate the life jacket inside the cabin, as doing so may prevent other passengers from leaving the plane. Knowing this, will you wait to be outside the plane, in the water to realise that your life jacket does not work?

No ice please.

Climate change?, I don't know. Lack of common sense? I'm sure. Somehow people don't remember from one year to the next one how dangerous driving on ice is. If not for yourself, please do it for the body of my car that will be parked as long as a bit of ice remains.

Too efficient.

As a joke note that called my attention here goes a good example of  'not so good' engineering. It turns out that the incandescent light bulbs used until now in traffic lights were not that inefficient and had a pretty unknown side function. In several cold weather American States it has been reported that the new, more efficient, LED lights installed are not producing enough heat to melt the snow that accumulates on them, resulting in an increase on traffic accidents.

Via: treeugger.com