Profile Activity Vote Summary All Communities

KalleMP‭

Electrical engineer interested in old technology and new stuff. The list includes letterpress printing, relief prints, analogue and alternative photography, Laser engravers and cutters, 3D printing, HAM radio, weaving, chemistry, X-rays and stuff.

Work experience is digital communications.

Posts

See all 16 »

75%

+4 −0

Q&A How would an interstellar spaceship's speedometer work if everything else is moving?

You would send out a small laser or radar retroreflector out of the side of your ship and observe the tracking angle. Knowing the speed of your marker you can calculate the speed of your ship with...

posted 3y ago by KalleMP‭

Answer

71%

+3 −0

Q&A What is the most efficent way of killing prey much larger than yourself?

The Honey Badger is known to kill water buffalo by ripping out their scrotum and letting them bleed out. Mostly out of spite I think for being disturbed, they mostly eat small game, honey, bee lar...

posted 3y ago by KalleMP‭

Answer

66%

+2 −0

Q&A Could grow lights on a massive scale replace 100% of sunlight for 100% of the growing season?

There are multilevel automated food plant farms in existence that are artificially illuminated. Sure they may use skylights but they have many times the growing area so the plants are not getting ...

posted 3y ago by KalleMP‭

Answer

50%

+0 −0

Q&A Where in Europe can I detonate 100 kt (non-nuclear) not to harm anyone?

A derelict oil rig is what you are looking for. At least one has burnt up and left something standing that may still be there. There may be sea forts in the north sea that are far enough away and...

posted 9y ago by KalleMP‭ · last activity 6y ago by KalleMP‭

Answer

50%

+0 −0

Q&A What is the least expensive way to annihilate humanity?

Design a self replicating robot that consumes natural resources. Picture a machine that can convert wood and straw into plastic and carbon nanotube conductors and piezoelectric actuators and thi...

posted 9y ago by KalleMP‭

Answer

50%

+0 −0

Q&A What abilities might each member of a 4-person planetary recon craft have?

I like Sepratrixes answer as it interprets the old style question framework by OP. As a start the first thing would have been to research what the Mars colonist teams have planned and then make al...

posted 8y ago by KalleMP‭ · last activity 8y ago by KalleMP‭

Answer

50%

+0 −0

Q&A How to stop a massive canal system from silting up?

Have the very durable material canal meander slightly and have narrow side channels all along the length at the inside of the meander curves where the silt will collect. If the channel is 30m deep...

posted 7y ago by KalleMP‭ · last activity 7y ago by KalleMP‭

Answer

50%

+0 −0

Q&A How could mankind of ancient times cause significant climate change?

Redirecting rivers may be some help by causing desertification and changes in local rainfall. Directing them into blind valleys may cause salt pans that reflect sunlight locally which may not be d...

posted 7y ago by KalleMP‭

Answer

50%

+0 −0

Q&A How to go out for a walk in microgravity?

Your question related to staying down in microgravity. Without a gravity field generator or something the answer is to increase the mass. While this is not ideal from an inertia point of view it ...

posted 6y ago by KalleMP‭

Answer

50%

+0 −0

Q&A Could an advanced alien race prevent the death of the universe?

This is a very deep question and from a formal scientific basis we indeed do not have adequate information to formulate an answer. However the Hindu philosophy (and some others) instructs us that ...

posted 6y ago by KalleMP‭ · last activity 6y ago by KalleMP‭

Answer

50%

+0 −0

Q&A Is it possible to rule a galaxy without mastering teleportation?

There is no way for a galaxy government to work without faster than light something. The obvious requirement for creating the society are faster than light travel but this can be dispensed with if...

posted 6y ago by KalleMP‭

Answer

50%

+0 −0

Q&A What conditions would make having them sunken into the ground the predominant way of building large structures?

The most plausible reasons are solar radiation protection (sudden flares) and thermal management (less sun facing surface) as in the answers by hyperion4 and CatCat. Basically unless you decide th...

posted 6y ago by KalleMP‭

Answer

50%

+0 −0

Q&A Why would people living inside a nebula go into space?

A similar story has been written (a mini epic really over many generations) that has a civilisation living inside space that was doomed to become uninhabitable due to excessive cosmic junk in the v...

posted 6y ago by KalleMP‭

Answer

50%

+0 −0

Q&A How can my powered armor quickly replace its ceramic plates?

Temporary patches to cover weak spots and crumble away after an hour or two. Provides protection while the damaged spot can self repair and patch provides additional protection while still in plac...

posted 6y ago by KalleMP‭

Answer

50%

+0 −0

Q&A Important resources for Dark Age civilizations?

Good points all and valid. Civilisations of the past have failed when they outgrew their local resources, usually wood in the limit as it is impractical to transport over large distances. However...

posted 5y ago by KalleMP‭

Answer

See all 16 »

Reputation		99
Number of top-level posts		0
Number of answers		16
Sum of received votes (up minus down)		9
Number of edits made		0

Earned Abilities

Statistics

Posts
Count		16
Questions		0
Answers		16
Articles		0

Votes cast
Count		16

Flags raised
Count		0