lanna

8 ms·

31.
by lanna 3y ago
> all available evidence suggests Earth has the only life Absence of evidence is not evidence of absence
32.
by lanna 3y ago
A mile is 1609m A sq mile is 1609x1609 = 2,588,881 square meters Times 10m, 25,888,810 cubic meters A cubic meter of water weighs 1000 Kg
33.
by lanna 3y ago
We see the Moon as it was a second ago. We see the Sun 8 minutes ago.
34.
by lanna 3y ago
We are always seeing the past. If you are talking to someone a foot away from you, you are seeing how they were a nanosecond ago.
35.
by lanna 3y ago
[deleted]
36.
by lanna 3y ago
Neutrons don't have charge, but their quarks do. Antineutrons have quarks with reversed charge. Just like a neutral atom can have a neutral antiatom.
37.
by lanna 3y ago
Well, how to calculate sum from 1 to 5000 ? Instead of looping from 1 to 5000, you compute (1 + 5000) * 5000 / 2 This is what "understand problem first" actually means
38.
by lanna 4y ago
Why does a desktop OS need to be consistent with a 5" touchscreen phone?
39.
by lanna 4y ago
A year in the Gregorian calendar is 365.2425 days
40.
by lanna 4y ago
Are they trying to make Scala look more complicated than the other languages on purpose? The Scala example f"$x%d plus $y%d equals ${x + y}%d" could be written simply as s"$x plus $y equals ${x + y}"
41.
by lanna 4y ago
Dash for API browsing https://kapeli.com/dash Flycut for clipboard management https://github.com/TermiT/Flycut iStat Menus for system resource monitoring https://bjango.com/mac/ist
42.
by lanna 4y ago
> The thought of the universe sitting essentially idle for 10^86 years 10^100 years minus 10^14 years is not 10^86 years. It is roughly 10^100 years.
43.
by lanna 4y ago
> The interval for -20%-0% is the same length as that for 0%-25%. So, the transformation is not symmetric around 0. It is. +0% is 1.0, -20% is 0.8, and +25% is 1.25. 0.8, 1.0, and 1.25 are a geometric progression (x1.25)
44.
by lanna 4y ago
> advanced alien civilizations capable of interstellar travel would probably look at us like we look at mold Like a mycologist, you mean?
45.
by lanna 4y ago
What is economically viable to access is constantly shifting, either due to technology improvements or increased demand (hence prices).
46.
Tuning Canabalt(gamedeveloper.com)
2 points by lanna 4y ago|0 comments
47.
by lanna 5y ago
> Why is it so common that I as an end user will notice a problem before whatever system is in charge of the status page does? Survival bias: only when you notice a problem before the system in charge of the status page does, is that you
48.
by lanna 5y ago
Some people seem to forget that in high-level programming languages, lines of code seldom map 1-to-1 to processor instructions.
49.
Apple Discontinues 27-Inch iMac(9to5mac.com)
3 points by lanna 5y ago|0 comments
50.
by lanna 5y ago
Makes sense when you need access to special equipment. But most of us seldom need much more than a keyboard and screen.
51.
by lanna 5y ago
You can't represent ! without being ambiguous with 1IL. You can't represent .,;:/+#(). You can't represent G, K, T, V, X, Z. The way you proposed to represent M and W is non-intuitive, to say the least. You cherry pick b
52.
by lanna 5y ago
> We have a 26 letter alphabet, plus space, plus 10 numbers, plus the punctuation !?.,;:/-+#()". That's 50 symbols in total which works out to a bit rate of about 5.64 bits per letter. Your choice of punctuation, most of w
53.
The James Webb space telescope has arrived at L2(jwst.nasa.gov)
95 points by lanna 5y ago|21 comments
54.
by lanna 5y ago
Portugal?!? Never heard of Brazil?
55.
by lanna 5y ago
> in the western world and signifiant places outside of it (SA,India, Thailand, Vietnam, Japan, Brazil) Brazil is western
56.
by lanna 5y ago
> The orbital period also goes up quadratically with distance By Kepler's Third Law, isn't it proportional to the square root of the cube (3/2th power) of the distance?
57.
New features available with macOS Monterey(apple.com)
1 points by lanna 5y ago|0 comments
58.
by lanna 5y ago
> 3456-by-2234 or 3024-by-1964 is 14:9 Ratio If we subtract 74 pixels from their heights, we get 3456 by 2160 and 3024 by 1890, both of which are 1.6. So I'm guessing the notch is 74 pixels high?
59.
Over the Last 14 Years, iPhone Prices Have Gone Up More Than 80%(macrumors.com)
2 points by lanna 5y ago|2 comments
60.
List of Common Misconceptions(en.wikipedia.org)
4 points by lanna 5y ago|0 comments

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