This is why I could never stand for election for the society of X or y technique. And even if I was crazy enough to do so, I would certainly never be elected !

You must publically advocate that the technique is wonderful and amazing.

If I was president of the E wave society...
I would have to consistently argue,

"Measuring the E wave is the fundamental axiom of cardiology."

"E waves contain more information than the entire rest of the echo!"
Meanwhile my brother, Barrel Francis, with whom I am on excellent terms in daily life, would have to publically pronounce the opposite.

"Pish and tish on the E wave! A wave rules!”

"A wave first, alphabetically and always."

"A wave so important that it's loss in AF is fatal"
We would be forced to face off in public and accuse each other of underhand dealings and general dubiousness.
Franciss first law of medical politics

Once you become president of X,
Nothing you say about X is of any genuine scientific interest,

(Unless it is "X is not that good actually", in which case it means X is really really terrible)

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More from @ProfDFrancis

2 Nov
I have combined Guy gadboits and Voids answers to come up with a pictorial solution.
You need the two breaks to be on opposite sides of the stick (since if they are on the same side, one piece will be greater than 1/2, so the other pieces can't match its length).
Probability 1/2
But given that they are on opposite sides, you ALSO need them to be not so far apart that the central segment is >1/2.
I.e., wherever the left break is in the left half, the right break needs to be to the left of within the right half.

By symmetry, this has probability 1/2.
Read 8 tweets
23 Oct
This Sam Loyd question is generating lots of very nice equation-based answers, but let me try a method, derived from Zugzwang et al, to see if I can do it without so much algebra, just by thinking.
Suppose we CHANGE the question to this:

"The hour hand and minute hand are SUPERIMPOSED on each other. How long till this superimposition next happens?"

Here is my approach. Suppose it is now just-after-two o'clock. When will this next happen?
First answerer is correct.

And this will continue on in a similar pattern.

When you get to "just-after-11 o'clock", what actually is that time, after 11 o'clock, that the hour and minute hands superimpose?
Read 7 tweets
29 Sep
Finding the stats tweetorials hard?

Some easier questions.
Examine the quote tweets on this tweet, and answer the questions that follow.

Here is the claim:
What would you do if you see this tweet?
Read 18 tweets
14 Sep
When your patient adverse symptoms on statins, what should you do?
Here are 4 choices
When will they stop taking the statin?
Read 56 tweets
11 Sep
Everyone who dies of Covid today, got it from
Suppose on average it takes 10 days from a person being infected, to that person passing it on to the next person in the chain.

Let's say we are about 500 days into the pandemic.

If I get it today, how many people long is that chain that led to me?
The mortality of Covid infection, without vaccination, is around half a percent.

Suppose the Covid I get today, kills me.

How many people in the chain of ~50 that let do me, on average, would you expect to have died from it?
Read 11 tweets
10 Sep
This is very funny.

Does anyone know if this person is actually a doctor?

Or has somehow just managed to get through medical school without noticing how science works?

If someone makes an allegation, one can

(a) ignore it,
or
(b) conduct experiments to test for it.
If you ever feel a bit dim or slow witted, just click the link below which lists hundreds of commentaries on the above tweet.

Click on it, scroll to a random point, and realise that actually, you are very fortunate to have received an education.

Ummmm...

So, should we get special, "other", disposable, people to take it, before we do?

Are people who enter clinical trials "fools"?

We just sponge off their altruism, shall we?
Read 8 tweets

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