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Comment Editable History (Score 1) 52

I'm so sick of my history following me about. I'm no longer interested in buying the thing I've just bought on Amazon. I don't want to continue watching the programme I just turned off on the BBC I player and/or YouTube because it was boring. My interests and attention change focus but my online history doesn't significantly. Don't tell me what I'm interested in, ask me

Comment Re:Nope. Not all glasses contain silicon (Score 2) 155

Glass acts like an extremely viscous liquid - if left for long enough it will slump.

I thought that idea had been refuted. Wikipedia says:

The notion that glass flows to an appreciable extent over extended periods of time is not supported by empirical research or theoretical analysis

https://en.wikipedia.org/wiki/...

Comment Re:What a crock of shit (Score 5, Interesting) 126

1:15ish, the drone flys quickly into the action as the baby bear nears the top shortening the distance by at least half if not 3/4 in a couple of seconds. It seems clear to me that the mother can see the drone coming at them at speed. She looks repeatedly at the camera to her baby and back again. As the drone gets quite close she swipes at her baby to get it out the path of an unknown danger.

Lets look at some numbers. If it was very far away as you think then that's what? 300m? And lets be conservative with my figures and say it traveled 2/3rds of the distance in 3 seconds then that's 237kph or 147mph. That's unrealistic. The top speed of an average drone is around 50mph. At that speed it would have been 100m out and traveled 66m in 3 seconds.

But that's top speed, lets say it was moving at 20mph, that puts it 40m out and zooming in to around 13meters.

So, something you don't understand making a loud buzzing coming at you. Remember because of the doppler effect, the noise will increase in volume and pitch as it gets closer. Which would you prefer? 50mph and stopping 33meters/yards from the most precious person in your life in a dangerous situation or coming at you at 20 mph and pulling up around 13meters/yards?

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