Viewing profile — acallahan

The W.H.O. director said 4 days ago "Covid-19 does not transmit as efficiently as influenza" ( https://news.ycombinator.com/item?id=22488862 ). So, I'm also confused and unsure how…

That's an impressive and surprising stat I've never heard before, and really puts the prospect of nuclear energy in perspective. Can you provide a source for this?

Some interesting prior discussion in this older comment thread: https://news.ycombinator.com/item?id=15929339 My understanding is that out of 3,500 mosquito species, only about 40 …

Not the parent, but this is a comprehensive source: https://examine.com/supplements/melatonin/ You can ctrl+f "dose" there.

Obscurity seems like useful security here. IIUC it shouldn't be possible to e.g. trick self-driving cars with noisy signs, unless you have a copy of the classifier to train against…

To make that more concrete, there are environmental externalities that no one is paying on gas, but whose cost is real. The first recent source I found on google [1] pegs the exter…

AFAIK Lytro's new play is into the cinematic VR space. They're working on a light field camera and stack that they advertise will allow the viewer to don a VR headset and view a li…

Maybe it's safer /not/ to wear a seatbelt. It was hard to find good stats with quick googling, but this old source[1] suggests that blood clots during flights are the greater risk,…

Dissenting opinion: I owned a Super Feeder before upgrading to the feeder pictured in the original story. My cat was able to produce food from the super feeder continuously, just b…

Related: a similar story of scaling the mobile app "Draw Something", where usage was doubling every day. http://www.gamasutra.com/view/news/168799/Scale_Something_Ho...

I haven't seen them myself, but the TrueTone displays in Apple's newest iPad pro seems to put a lot of work into this, particularly in automatically matching the color temperature …

That was a really fascinating experiment. Here's a pretty approachable writeup, if anyone is interested: http://www.damninteresting.com/on-the-origin-of-circuits/

I have the opposite problem - USPS packages are put in a special mailbox in my building, but UPS and Fedex won't get delivered at all because I'm not home. Even if Amazon's worried…

I got mine this week as well. The camera is about what you expect from the reviews - acceptable, but not amazing. The biggest problem is start-up and focus lag when using the camer…

I think you should flag this as breaking bad spoilers - not everyone has finished watching the show

For the interested, there was a pretty good article earlier this year by priceonomics about bike theft: http://news.ycombinator.com/item?id=4444708