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Posts by user6760‭

173 posts
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Q&A Can magnetic fauna and flora on magnetic world knows gravity?

Imagine an Earth sized planet consists of only ferrous metals, the creatures living on the planet move around like a maglev train basically they interact with the world and among each other electro...

1 answer  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Rigorous Science How can future Mars colonists combat intelligence loss?

Earth is more massive than Mars, so people on Martian soil would definitely suffer some health issues due to weaker gravity. Blood circulation is badly affected as heart muscles starts to deteriora...

3 answers  ·  posted 9y ago by user6760‭  ·  last activity 9y ago by user6760‭

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Rigorous Science If Mars contains coal, will it become a dominant source of energy?

In the year 2099 A.D, humans made a major discovery. There is a rich source of fossil fuel buried beneath layers of Martian soil. It is estimated that the coal deposit that was discovered could fil...

4 answers  ·  posted 9y ago by user6760‭  ·  last activity 5y ago by user6760‭

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Rigorous Science Blind spot in the Solar System

An alien spaceship the size of an Empire State Building experiences a technical issues with its cloaking device, their duty technician needs 24 hours to repair and meanwhile the alien wants to avoi...

11 answers  ·  posted 9y ago by user6760‭  ·  last activity 9y ago by user6760‭

Question aliens solar-system
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Rigorous Science Can medieval people make a potato gun?

The spud gun uses air pressure to shoot a projectile - unusually a potato - at high speed towards a distant target much similar to todays revolvers. The only difference is that there is no gunpowde...

4 answers  ·  posted 9y ago by user6760‭  ·  last activity 6y ago by user6760‭

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Rigorous Science Shoot for the moon

You won't miss and definitely won't be among the stars. Set in late 22nd century A.D. we are constructing a space elevator that would physically connects Earth and the moon, the lift will be using ...

2 answers  ·  posted 9y ago by user6760‭  ·  last activity 9y ago by user6760‭

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Rigorous Science How can an advanced civilization harvest energy from an x-ray binary?

An x-ray binary is a binary star system consisting of a star and a stellar remnant. As matter is ripped from the star and is then accelerated into the neutron star/black hole by its gravity, x-ray...

1 answer  ·  posted 9y ago by user6760‭  ·  last activity 9y ago by user6760‭

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Rigorous Science Silent low altitude long range supersonic drone

In the near future, drones replace military fighter jets that require human pilots. These drones will be travelling at many times the speed of sound. Highly sophisticated drones will be able to eva...

2 answers  ·  posted 9y ago by user6760‭  ·  last activity 9y ago by user6760‭

Question technology
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Q&A Is it possible to retrofit white blood cells with neural network technology to fight infection?

I have been toying the idea of fusing our white blood cells which search and destroy malicious foreign bodies with artificial intelligence to fight various disease causing pathogens, my worry is th...

2 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A Despite almost zero energy consumption why does my spaceship scheduled cryostasis in shifts?

In the distant future a breakthrough in cryostasis technology can put healthy people into frozen state so that all metabolism halts and cells never age a bit, the spaceship is carrying them across ...

12 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A Can cherenkov effect be used for telling how fast FTL spaceship moves?

Imagine an alternate universe where FTL do happens, let's just say the inhabitants discovered a hypothetical particles that allows ordinary matter to temporarily be in superposition of any amount o...

1 answer  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A How to prevent ship's AI from initiating self destruct sequence regardless of captain's permission?

Set in a distant future, every interstellar spaceship runs on antimatter propulsion which can achieve fractional speed of light travel. There is a doctrine stating that all spaceships with mass exc...

2 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A If Earth had a sideways axial tilt (like Uranus), would Earth still have tornadoes?

Imagine Earth was hit hard by some force so devastating that Earth now has an axial tilt of 90.0 degrees, a far cry from the usual 23.5 degree. The same force somehow eliminates the Moon. In my sto...

1 answer  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A How can space cop arrest the suspicious spacecraft moving at sub-luminal velocity?

Set in a distant future, reports of alien and drug traffickings have been on the rise and there was mounting pressure for Mr User6760, president of intergalactic interpol to resign. The traffickers...

6 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A Would making a last ditch effort to skip save the spaceship?

Imagine a spaceship entering Earth's atmosphere, it has lost control of its engines and is relying on its reverse thrusters to decelerate before crashing into the Pacific ocean. So in an attempt ...

8 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A How do you send out SOS in space if there is no absolute coordinate?

Imagine your spaceship encountered a gravitational anomaly and discovered that you are lost in space, your computer tells you that you are still inside the Milky Way galaxy but it cannot find the S...

9 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A How can early people prove that their planet is a cuboid?

Imagine a cuboid planet with a thick atmosphere orbiting a star similar to our Sun. The inhabitants are as intelligent as humans and recently discovered the universal laws of gravitation and motion...

4 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A How does an intelligent race which can only perceives microwave develops written language?

Imagine a race of humanoid alien living somewhere in the universe evolves weird sensory organ which can only picks up frequency of light ranging from 800MHz up to 2.5GHz which is in the microwave s...

2 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A How can sapient beings engineer transportation and building when they can only count 0, 1 and many?

Imagine a species of humanoid beings living on an Earth-like planet somewhere in the universe; they have developed complex spoken and written languages and they can study their own anatomy and the ...

6 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A How to prevent crew from accidentally teleporting oneself outside a spaceship with portal gun?

Set in the year 3020 CE, every crew on board has a personal issued portal gun to easily get around the interior of the spaceship. The handheld portal gun can instantly teleport the user along with ...

9 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A How can a dragon take off to the air silently?

Imagine a dragon as tall as average adult horse with a wing span of 12m long measuring from tip to tip. I wonder what evolutionary traits or techniques could allow the dragon to lift itself off the...

12 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A Why don't ejectable fission reactors proliferate if meltdown is still a concern?

Set in the not-so-distant future, interplanetary travels are the norm. Most spaceships are powered by fission reactors, and accidents do happen due to negligence or flaws in the system. It will pro...

1 answer  ·  posted 5y ago by user6760‭  ·  last activity 5y ago by user6760‭

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Q&A How to explain a mermaid's tail morphing into legs and vice versa?

I know a tadpole can do this transformation, given enough time, so what about mermaids?

4 answers  ·  posted 9y ago by user6760‭  ·  last activity 4y ago by PinoBatch‭