jpa

Jyvaskyla, Finland

http://essentialscrap.com/

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A planet you can take off from, but never land back

science-based space-travel rockets asked Nov 7, 2022 at 7:17

worldbuilding.stackexchange.com

21 votes

What does “m/f” or “m/w” mean in German job postings?

abbreviations gender-neutrality asked Sep 21, 2016 at 16:15

german.stackexchange.com

20 votes

Identifying late 1990s embedded 486 UNIX-like system

unix x86 identify-this-software asked Jun 14, 2020 at 8:46

retrocomputing.stackexchange.com

18 votes

Weird results for conditional operator with GCC and bool pointers

c gcc undefined-behavior conditional-operator asked Dec 26, 2014 at 20:42

stackoverflow.com

16 votes

Has any piston machine been used on a space mission?

history technology asked Jan 24, 2022 at 15:00

space.stackexchange.com

14 votes

Did any compilers hash long symbol names when truncating them?

compilers asked Sep 28, 2021 at 8:17

retrocomputing.stackexchange.com

12 votes

How can I avoid a question getting protected in middle of writing an answer?

feature-request protected-questions user-experience asked Sep 22, 2020 at 12:28

meta.stackexchange.com

10 votes

What is the name of a low-pass filter that tracks rate of change?

filters lowpass-filter algorithms asked Sep 16, 2023 at 8:11

dsp.stackexchange.com

7 votes

Is it possible to keep GPL-licensed software internal?

gpl commercial asked Jan 15, 2016 at 8:10

opensource.stackexchange.com

5 votes

Is there a good 160 bit alternative for SHA-1?

hash sha asked Mar 5, 2017 at 16:53

security.stackexchange.com

Top Answers

Why don't we use weights to store energy?

physics.stackexchange.com

How do you know you have reached North or South Pole without GPS?

outdoors.stackexchange.com

What are the benefits of tracking solved bugs?

softwareengineering.stackexchange.com

If I sliced the universe in half, would the slice go through a star?

physics.stackexchange.com

Counting from the 21st century forward, what place on Earth will be last to experience a total solar eclipse?

astronomy.stackexchange.com

What vehicle would be the best one to start a >1000 km travel in a post apocalyptic zombie situation?

worldbuilding.stackexchange.com

Why do small mirror imperfections matter with modern computers

astronomy.stackexchange.com

Why do we need to reheat food?

cooking.stackexchange.com

Why is the aperture door of the Hubble Space Telescope so weirdly shaped?

space.stackexchange.com

Why does "ls" take extremely long in a small directory that used to be big? How to fix this?

unix.stackexchange.com

Why is it okay to eat meat but not to be cruel to animals?

philosophy.stackexchange.com

Why is builtin sorted() slower for a list containing descending numbers if each number appears twice consecutively?

stackoverflow.com

When was Newton "not good enough" for spaceflight; first use and first absolute requirement for relativistic corrections?

space.stackexchange.com

Why did PC users need partitions in the 1980s

superuser.com

Why protobuf is bad for large data structures?

stackoverflow.com

Why first world countries have astonishing amount of foreign debts, but third world countries don't?

politics.stackexchange.com

How old do surviving children need to be to keep human civilization from failing?

worldbuilding.stackexchange.com

Why does 60 Hz mean 60 refreshes and not 120?

electronics.stackexchange.com

In PCBs, why is copper etched away instead of added?

electronics.stackexchange.com

Powerful GUI Calculator for Linux?

askubuntu.com

When TCP was first invented, was the initial sequence number required to be random?

retrocomputing.stackexchange.com

Crash in nanopb iOS 17.4.0

stackoverflow.com

Big dent on frame: How did this damage happen?

bicycles.stackexchange.com

Is the science in "Don't Look Up" realistic?

astronomy.stackexchange.com

How to teach children Santa is not real, while respecting other kids beliefs?

parenting.stackexchange.com

Are there unphotographable, but scannable ID cards?

security.stackexchange.com

Why is it most efficient to change orbit inclination while crossing the equator?

space.stackexchange.com

Why doesn't NASA send Voyagers anymore?

space.stackexchange.com

What important/crucial real-world applications use blockchain?

cs.stackexchange.com

Why would two humanoid species be physically unable to touch each other?

worldbuilding.stackexchange.com