They sent new firmware to the bulb over the ZigBee network, using the symmetric key baked into every bulb (which they first had to obtain) to sign it. Obtaining the key is hard-ish, but they didn't say how they did it.

That would stop mashup services from working easily, for example embedded maps, which I work on: openspace

ISTR that blocks of stone have been located at the 3-4-5 distances of a right angle triangle to get a perfect right angle for the base of at least one pyramid.

If you're not part of the solution, you're part of the precipitate"

You are not being bayesian enough.

You need the probability someone is telling the truth given the evidence of being dumb enough to say "I've got a bomb".

If the Hypothesis is 'got a bomb' and the Evidence is 'said bomb', here are my estimates:

p(E) = 10**-7 proportion of travellers who are dumb enough to say bomb (one in ten million)
p(H) = 10**-13 proportion of travellers who have had a bomb so far (one in ten million million)
p(E|H) = well, ZERO so far, but let's say 10**-3 bombers who mention the word bomb (one in a thousand)

Then p(H|E) = proportion of people who say bomb who have a bomb = P(H) * P(E|H) / P(E) = 10**(-13-3+7) = 10**-9

One in one billion people who mention the word bomb will have a bomb.

So if we close the airport each time for two hours, our losses for an actual bomb need to exceed the damages for closing an airport for two billion hours before it is worth it. That's over 200,000 lifetimes of waiting in the departure lounge.

Just.

Any comments on my maths / approach happily received.

Actually pretty much every system has an optimum scale. Very few continue to improve indefinitely on scaling up. If your point was correct, there would be one very large power station somewhere in the world.

That theory (alcohol in the morning for 'withdrawal') is completely wrong. The chemistry is well known.

Hangovers are partially caused by dehydrogenation of alcohols leading to poisonous chemicals. Ethyl alcohol turns to acetaldehyde, but we can deal with this one (thank you evolution).

Methyl alcohol (wood alcohol impurities, present in most drinks to greater or lesser degree) turns to formaldehyde. This is very bad for you and makes you feel like hell. The process of creating formaldehyde is linear (because the total present must be limited due to toxicity), not power based, so there is never too much made unless the amount of methyl alcohol is even more toxic.

However, the conversion process is negatively catalysed (slowed down) in the presence of ethyl alcohol. So, a little beer can reduce the amount present enough to effectively remove the hangover.

Sorry about too many brackets (not really sorry).

Just.

Sexual attraction: no matter how much you offer in cash, most men can't oblige a truly ugly chick.

I used to do this with a friend: peered ftp servers. Everything under /home and /etc was tarred, zipped, encrypted and ftp'd onto his server at midnight, while his did the same to mine. Can't remember where I put the decrypt key, probably on a floppy that is still in my bureau.

Of course, data volumes were lower then, and the sun was warmer, and girls prettier.

Just.

Don't count your chickens... they've still got the option of MS Azure =:-/

The Kalahari bushman's survival is therefore a function of the effectiveness of the safety net present in the system, not his innate abilities. There is a decent chance he'd steal, get the cops called on him and get shot when waving a fucking big knife around to try to scare the cops away, because that's the 'primitive' (ie effective in that situation) approach.

(There is no safety net for rk in the Kalahari. He's plain dead from not knowing how or what to eat. Or he got predated upon)

Marvellous line. Yours?

Even if it is heavier stochastic processes will push a proportion of it up. Increase the total proportion and the proportion at high altitudes will increase.

Want to start a new political party: "The Evidence Based Party"?

Except homeopathy isn't cheap. Six bucks and upwards for a small bottle.

Cost of a bottle of mint solution? Bulk purchased through the NHS? Probably under a buck.