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Forum: Jet Blast
28th Sep 2021, 13:06
Replies: 158
Views: 8,050
Posted By pasta

I think it's the other way round. The situation...

I think it's the other way round. The situation will self-rectify anyway, because (ignoring the idiots with jerry cans, lemonade bottles etc) there's a limit to how much extra fuel people can...
Forum: Jet Blast
28th Sep 2021, 08:35
Replies: 158
Views: 8,050
Posted By pasta

Lots of people normally drive round with their...

Lots of people normally drive round with their tanks nearly empty, and just put in what they're going to need for the next week or so. That makes sense from a cashflow perspective, especially if you...
Forum: Jet Blast
27th Sep 2021, 13:29
Replies: 158
Views: 8,050
Posted By pasta

The excess demand is caused by people filling...

The excess demand is caused by people filling tanks that would otherwise be empty or part-empty. Once they've done this, the ongoing demand will match what people use, just as it did until last week;...
Forum: Jet Blast
27th Sep 2021, 13:09
Replies: 158
Views: 8,050
Posted By pasta

Might not be that simple. If you're looking...

Might not be that simple.

If you're looking at fuel usage, it's quite plausible that people having stuff delivered by people in vans is more fuel-efficient than everyone driving to the shops for...
Forum: Jet Blast
24th Sep 2021, 22:04
Replies: 158
Views: 8,050
Posted By pasta

I'm trying to work out whether there's a way to...

I'm trying to work out whether there's a way to start a rumour and cause a run on something completely random - air fresheners or condoms or something...
Forum: Jet Blast
22nd Sep 2021, 13:34
Replies: 16
Views: 1,333
Posted By pasta

Much as I find this distasteful, many of us are...

Much as I find this distasteful, many of us are definitely guilty of double standards. Japanese whale hunting, which I also find distasteful, would appear to be sustainable by any reasonable measure,...
19th Sep 2021, 15:27
Replies: 40
Views: 5,067
Posted By pasta

You never finish gliding, there's always...

You never finish gliding, there's always something else to do...

Mine's a 1h45 drive to get there, first thing in the morning, more like 2h30 to get back in the evening. I actually drive past 4...
Forum: Jet Blast
18th Sep 2021, 11:47
Replies: 44
Views: 2,166
Posted By pasta

My favourite calculator is RPN (albeit made by...

My favourite calculator is RPN (albeit made by HP). Once you get used to it, it's so much easier!
Forum: Jet Blast
17th Sep 2021, 12:59
Replies: 44
Views: 2,166
Posted By pasta

I remember typing in a Lunar Lander game that had...

I remember typing in a Lunar Lander game that had been published on Teletext. The Teletext TV was in a different room to the computer, so I had to transcribe it onto paper by hand and then take it...
Forum: Jet Blast
16th Sep 2021, 09:11
Replies: 40
Views: 2,094
Posted By pasta

I have a very robust pair of scissors that deals...

I have a very robust pair of scissors that deals with such packaging. Of course they came in the same packaging themselves, which I had to attack a kitchen knife; thankfully I survived the experince...
Forum: Jet Blast
13th Sep 2021, 08:53
Replies: 84
Views: 5,024
Posted By pasta

Well done JG! Thanks to SallyAnn too, threads...

Well done JG! Thanks to SallyAnn too, threads like this are great fun :-)
Forum: Jet Blast
11th Sep 2021, 12:24
Replies: 84
Views: 5,024
Posted By pasta

Apologies! Think I read your post last night...

Apologies! Think I read your post last night after several glasses of wine, forgot all about reading it, but remembered your idea...
Forum: Jet Blast
11th Sep 2021, 10:23
Replies: 84
Views: 5,024
Posted By pasta

Run an image search for "passive air sampler" and...

Run an image search for "passive air sampler" and you'll be presented with an array of different devics, some of which are a similar size and configuration to this one. By no means conclusive -...
Forum: Jet Blast
10th Sep 2021, 14:12
Replies: 84
Views: 5,024
Posted By pasta

Or maybe damp from rain splashing off the top of...

Or maybe damp from rain splashing off the top of the mystery device?


Pointing :-)
Forum: Jet Blast
10th Sep 2021, 13:42
Replies: 84
Views: 5,024
Posted By pasta

I have no idea, but thinking through the...

I have no idea, but thinking through the possibilities:

It's not connected to anything (power or water) so it must be self-contained
It's hard to see what a passive device looking like that...
28th Jul 2021, 13:24
Replies: 90
Views: 24,542
Posted By pasta

If they're dropping meat bombs at Weston,...

If they're dropping meat bombs at Weston, Kindlington might make a lot of sense...
Forum: Jet Blast
22nd Jul 2021, 21:00
Replies: 47
Views: 3,135
Posted By pasta

Yeah, assuming your figures for the 1m turbine...

Yeah, assuming your figures for the 1m turbine are correct - which I don't doubt - that would require (for example) a 10m diameter turbine at just over 7 m/s (14 knots). A very quick and unscientific...
Forum: Jet Blast
22nd Jul 2021, 17:50
Replies: 47
Views: 3,135
Posted By pasta

Funnily enough, I asked pretty much that question...

Funnily enough, I asked pretty much that question many years later, at his retirement do. Turned out he'd quite enjoyed the more creative answers, which I guess is the perfect outcome; he was an...
Forum: Jet Blast
22nd Jul 2021, 11:13
Replies: 47
Views: 3,135
Posted By pasta

Sorry, it's a bad habit I developed as a child. I...

Sorry, it's a bad habit I developed as a child. I used to try to annoy my physics teacher by giving "wrong but correct" answers to homework questions. There was one where we were supposed to use...
Forum: Jet Blast
22nd Jul 2021, 10:24
Replies: 47
Views: 3,135
Posted By pasta

If there isn't air in space, there must be...

If there isn't air in space, there must be something similar; if there wasn't, what would the rockets push against?
Forum: Jet Blast
21st Jul 2021, 17:31
Replies: 47
Views: 3,135
Posted By pasta

That's not necessarily correct, because Work is...

That's not necessarily correct, because Work is the product of Force and Displacement. The forces necessarily match (because they equal the tension in the tow rope) but the displacements needn't,...
Forum: Jet Blast
21st Jul 2021, 15:20
Replies: 47
Views: 3,135
Posted By pasta

Quite plausible that the current at depth could...

Quite plausible that the current at depth could be different to the surface. The way to test that would to turn the whole operation round, if practicable; if the power generated is greater than the...
21st Jul 2021, 11:59
Replies: 90
Views: 24,542
Posted By pasta

On the positive side, handy to know that a...

On the positive side, handy to know that a request to transit the Brize zone is unlikely to be refused at the moment...
Forum: Jet Blast
21st Jul 2021, 11:44
Replies: 47
Views: 3,135
Posted By pasta

I split it into three parts: 1. Time taken...

I split it into three parts:

1. Time taken for stone to reach the highest point. That's 14.7 / 9.81 = 1.5 seconds
2. Time taken to return to the starting point = 1.5 seconds (by symmetry)
3....
Forum: Jet Blast
21st Jul 2021, 10:59
Replies: 20
Views: 2,488
Posted By pasta

I think most people use them for getting around...

I think most people use them for getting around London.

The issue I have with LED lamps failing isn't the cost or the inconvenience (which are trivial compared with incandescent lamps) but the...
Showing results 1 to 25 of 473
 


 
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