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180 posts

Master Geek


  #2412900 5-Feb-2020 11:10
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Stable yes.  even/flat?  Not necessarily :-)

 

Cannot rock?  Sure it can - you might need to exert some force on it in just the right place, but it could 'rock' 
Consider a see-saw.  There are three points of contact on the ground, and it is 'stable'.   But put force on the high end of the see-saw, and it 'rocks'

 

Not as annoying as a four legged table can be, but still possible.

 

 


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Ultimate Geek


  #2412901 5-Feb-2020 11:12
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Vodafone.

Apparently, according to them, the old model Vodafone/TelstraClear T boxes can't receive the Sky Sport pop up channels. Even though when Sky upped the sports channels to 8, I can view those, but for the pop up channels (045 - 049), nope. Just smells of marketing/sales BS to get me to change to be newer Vodafone TV.

 
 
 
 


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  #2412907 5-Feb-2020 11:20
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evnafets:

 

Stable yes.  even/flat?  Not necessarily :-)

 

Cannot rock?  Sure it can - you might need to exert some force on it in just the right place, but it could 'rock' 
Consider a see-saw.  There are three points of contact on the ground, and it is 'stable'.   But put force on the high end of the see-saw, and it 'rocks'

 

Not as annoying as a four legged table can be, but still possible.

 

 

 

 

Eracode is correct, 3 points cannot rock. Think about it. And if it wasn't even, you can put something under the short leg or low side and rotate a little till its even, it still wont rock


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  #2412991 5-Feb-2020 12:35
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Dugimodo:

 

A simple 3 word nonsense phrase is easily remembered and many times harder to crack than a 10 digit password on a sticky note.

 

 

I've seen this touted around, and I don't believe it.

 

Passwords made of upper/lower case plus digits gives 36 options per character, more if you throw in some punctuation. so an 8 character password is 36^8 = 2,821,109,907,456 combinations Multiply by 1296 for 10-character passwords.

 

A person's vocabulary will typically be somewhere between 10,000 and 50,000 words. But who's going to use existentialistplutochraticdiathermy as their passphrase? So a 3-word password almost certainly is one of 10,000^3 = 1,000,000,000,000 combinations. And if you look at [colour][adjective][noun] patterns, you are probably down to a million or so.

 

 

 

 


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  #2413009 5-Feb-2020 12:39
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evnafets:

 

Stable yes.  even/flat?  Not necessarily :-)

 

Cannot rock?  Sure it can - you might need to exert some force on it in just the right place, but it could 'rock' 
Consider a see-saw.  There are three points of contact on the ground, and it is 'stable'.   But put force on the high end of the see-saw, and it 'rocks'

 

Not as annoying as a four legged table can be, but still possible.

 

 

 

 

 

Sorry, but - utter rubbish.





Sometimes I just sit and think. Other times I just sit.


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  #2413010 5-Feb-2020 12:41
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tdgeek:

 

evnafets:

 

Stable yes.  even/flat?  Not necessarily :-)

 

Cannot rock?  Sure it can - you might need to exert some force on it in just the right place, but it could 'rock' 
Consider a see-saw.  There are three points of contact on the ground, and it is 'stable'.   But put force on the high end of the see-saw, and it 'rocks'

 

Not as annoying as a four legged table can be, but still possible.

 

 

 

 

Eracode is correct, 3 points cannot rock. Think about it. And if it wasn't even, you can put something under the short leg or low side and rotate a little till its even, it still wont rock

 

 

I think what he means is that if the table top overhangs beyond the leg-bottom triangle, then putting sufficient weight on the edge will tip the table.

 

 


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  #2413014 5-Feb-2020 12:44
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tdgeek:

 

evnafets:

 

Stable yes.  even/flat?  Not necessarily :-)

 

Cannot rock?  Sure it can - you might need to exert some force on it in just the right place, but it could 'rock' 
Consider a see-saw.  There are three points of contact on the ground, and it is 'stable'.   But put force on the high end of the see-saw, and it 'rocks'

 

Not as annoying as a four legged table can be, but still possible.

 

 

 

 

Eracode is correct, 3 points cannot rock. Think about it. And if it wasn't even, you can put something under the short leg or low side and rotate a little till its even, it still wont rock

 

 

I think the word you're looking for is 'level'.





Sometimes I just sit and think. Other times I just sit.


 
 
 
 


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  #2413015 5-Feb-2020 12:47
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frankv:

 

tdgeek:

 

evnafets:

 

Stable yes.  even/flat?  Not necessarily :-)

 

Cannot rock?  Sure it can - you might need to exert some force on it in just the right place, but it could 'rock' 
Consider a see-saw.  There are three points of contact on the ground, and it is 'stable'.   But put force on the high end of the see-saw, and it 'rocks'

 

Not as annoying as a four legged table can be, but still possible.

 

 

 

 

Eracode is correct, 3 points cannot rock. Think about it. And if it wasn't even, you can put something under the short leg or low side and rotate a little till its even, it still wont rock

 

 

I think what he means is that if the table top overhangs beyond the leg-bottom triangle, then putting sufficient weight on the edge will tip the table.

 

 

OK so now we're talking about 'tip' which is quite a different thing to 'rock'.





Sometimes I just sit and think. Other times I just sit.


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  #2413018 5-Feb-2020 12:51
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mdf:

 

Saw a guy on an e-scooter today, absolutely pelting it downhill, and riding in the middle of the road. I'd say he would easily have been doing 40 km/h (all black scooter so not obviously Flamingo/Uber). The bulletproof young man's choice of personal safety equipment? An anti-coronavirus surgical mask, in a very stylish black. Not a helmet to be seen.

 

Less "really annoys" and more "shakes my head at the yoof of today" or "damn kids skateboarding on the sidewalks".

 

 

Talked to the neighbour over the road a couple of nights ago. He'd just come back from visiting his son in Wellington Hospital. Yeah, you can see where this is going. Skateboarding, hill, crash, back of skull caved in, ambulance, ED, theatre, ICU, induced coma. Still to come: a *year* in hospital, learning to walk again (hopefully).

 

 


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  #2413021 5-Feb-2020 12:52
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eracode:

 

 

 

OK so now we're talking about 'tip' which is quite a different thing to 'rock'.

 

 

Yes, level and stable are two different things. A four legged table wth legs closer together is less stable, three legs that are near the edge is more stable

 

Ideally use a spider design, virtually non tippable  :-)


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  #2413194 5-Feb-2020 17:09
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eracode:

 

evnafets:

 

Stable yes.  even/flat?  Not necessarily :-)

 

Cannot rock?  Sure it can - you might need to exert some force on it in just the right place, but it could 'rock' 
Consider a see-saw.  There are three points of contact on the ground, and it is 'stable'.   But put force on the high end of the see-saw, and it 'rocks'

 

Not as annoying as a four legged table can be, but still possible.

 

 

 

 

 

Sorry, but - utter rubbish.

 

 

 

 

If two legs are at height x and one leg is at height x-2 and someone applies pressure opposite the leg at x-2 then the table will pivot on the two legs which are at x.

 

It's the same motion as a four legged table but potentially worse as it wouldn't be stopped by a fourth leg.

 

Absent outside interference, it won't but neither will anything else.






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  #2413308 5-Feb-2020 20:00
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Geektastic:

 

eracode:

 

evnafets:

 

Stable yes.  even/flat?  Not necessarily :-)

 

Cannot rock?  Sure it can - you might need to exert some force on it in just the right place, but it could 'rock' 
Consider a see-saw.  There are three points of contact on the ground, and it is 'stable'.   But put force on the high end of the see-saw, and it 'rocks'

 

Not as annoying as a four legged table can be, but still possible.

 

 

 

 

 

Sorry, but - utter rubbish.

 

 

 

 

If two legs are at height x and one leg is at height x-2 and someone applies pressure opposite the leg at x-2 then the table will pivot on the two legs which are at x.

 

It's the same motion as a four legged table but potentially worse as it wouldn't be stopped by a fourth leg.

 

Absent outside interference, it won't but neither will anything else.

 

 

No - the table will be perfectly stable and will not rock - it will just not be level and the top will slope downward towards leg x-2.

 

For all practical situations of the type covered in the ‘OP’ - a table in a restaurant - a three-legged table with equally spaced legs will not and cannot rock.





Sometimes I just sit and think. Other times I just sit.


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  #2413378 5-Feb-2020 23:32
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The fact that two parcels were shipped at more or less the same time, one from Derby in the UK and one from Auckland, both to my house.

 

 

 

The first has already reached Dubai. The second is....picked up by our courier in Auckland...currently in depot.






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  #2413379 5-Feb-2020 23:35
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Geektastic:

 

The fact that two parcels were shipped at more or less the same time, one from Derby in the UK and one from Auckland, both to my house.

 

 

 

The first has already reached Dubai. The second is....picked up by our courier in Auckland...currently in depot.

 

 

 

 

Amazon shipped me something that passed through 9 points and 3 states and arrived to me the same day as the item ordered the same day as the one from Amazon. There is less than 4KM's from the shop I ordered from and the office I work in.

 

Mind-boggling.

 

 


6 posts

Wannabe Geek
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  #2413924 7-Feb-2020 01:24
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People walking slow in front of me


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