Deadly Nightshade

Our baby is teething and while I was at the pharmacy, I saw a homeopathic remedy for teething babies with the following ingredients: Belladonna, aka Deadly Nightshade, has what percentage of alkaloids? 0.0000000000003% or 3 x 10^-13% Or if we take 1g of “medicine” then there are 3 femtograms, or 3 x 10^-15 grams of […]

Timon on

Timon Piccini has been kicking ass at this math blogging thing for a while now. Here’s part of his take on Dan Meyer’s 101qs site: Over at Dan’s site people have been discussing these last set of questions and we find, naturally, Dan promoting his brand of “Make the prompt scream the question you are […]

Follow-up to 25 billion apps

Follow-up to 25 billion apps. Our class calculated that the app store would hit 25 billion on Friday at 11pm eastern. The contest is over, but the press release didn’t say when it finished. The 25 billionth app downloaded, Where’s My Water? Free, was downloaded by Chunli Fu of Qingdao, China. As the winner of the App Store Countdown […]

25 Billion (From Dan Meyer) #anyqs

Well? Live link: For those (geeks) looking for more detail on how the rate is determined, you might be able to find the rate in the somewhat obfusticated javascript file found here:

Obsessions #anyqs

Some more information can be found here (look in the description of the video). A second spoiler video can be found here.

Twitter Graph Story #anyqs

  To no one surprise, [removed] was lowest on Monday afternoons and through Tuesday, the beginning of the work week, and rose later in the week, peaking on Saturday and Sunday. The pattern on weekend days was shifted about two hours later — the morning peak closer to 9 a.m. and the evening one past […]

Transport $12 billion of gold #anyqs

From Bloomberg: Venezuelan President Hugo Chavez ordered the central bank to repatriate $11 billion of gold reserves held in developed nations’ institutions such as the Bank of England as prices for the metal rise to a record. Venezuela, which holds 211 tons of its 365 tons of gold reserves in U.S., European, Canadian and Swiss banks, will progressively return the bars […]