acallahan

7 ms·

1.
by acallahan 7y ago
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 to rectify this.
2.
by acallahan 7y ago
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?
3.
by acallahan 8y ago
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 transmit malaria. Most of what I've re
4.
by acallahan 8y ago
Not the parent, but this is a comprehensive source: https://examine.com/supplements/melatonin/ You can ctrl+f "dose" there.
5.
by acallahan 9y ago
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. Thinking about ATMs, you could train against it as a
6.
by acallahan 9y ago
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 externalities at $3.80 per gallon of gas, which would more than d
7.
by acallahan 9y ago
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 live-action scene with 6 DOF, so long as the viewer
8.
by acallahan 10y ago
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, killing at least 2,000 people in the UK per
9.
by acallahan 10y ago
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 by lightly smacking the tall column on the top. Perhaps the k
10.
by acallahan 10y ago
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...
11.
by acallahan 10y ago
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 of the surrounding light. Some HN discussion about
12.
by acallahan 13y ago
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/
13.
by acallahan 13y ago
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 about letting the user choose what shipping
14.
by acallahan 13y ago
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 camera, but I read at least one review indicating that an update
15.
by acallahan 13y ago
I think you should flag this as breaking bad spoilers - not everyone has finished watching the show
16.
by acallahan 14y ago
For the interested, there was a pretty good article earlier this year by priceonomics about bike theft: http://news.ycombinator.com/item?id=4444708