All Questions
-1
votes
2answers
57 views
Can lasers be used to drill holes or build tunnels?
As I know, lasers can be use to drill holes on diamonds or shape diamonds, I was imaging we can use a very wide laser source to drill holes through rocky bodies, and hence use it to replace machines ...
-1
votes
0answers
15 views
Lake Makgadikgadi, 21st Century
First thing first, to get this out of the way, there are two potential sources of the faraway rivers in this scenario:
Lakes Chad and Congo, the result of 30 million years of tropical heat, heavy ...
1
vote
2answers
32 views
How close could a traversable wormhole be to Earth?
How far outside of the solar system would it need to be to not have any negatives effects on the planets within? The wormhole has to be large enough to fit say an aircraft carrier though it.
Could ...
12
votes
8answers
979 views
Is there any plausible reason for a robot's eyes to glow?
Many sci-fi machines and robots have glowing eyes, though there's no apparent reason why any such thing should be the case. One possible example is something like a cat's eye, where light is ...
1
vote
4answers
184 views
How much food would 1 man eat in a quadrillion years?
Let's say that all of mankind just suddenly vanished leaving only one person behind? Time is frozen and no food rot's. No matter how much time passes the man in question does not age nor does anything ...
0
votes
2answers
53 views
Which Jurassic plant would survive in modern days?
Given the chance to bring back from the jurassic any plant, which one would be the most adapted to survive and spread in our actual environment?
5
votes
6answers
682 views
If every cell in a creature's body were replaced by a functionally identical nanobot, would the creature retain its consciousness?
If every cell in a creature's body were replaced (as in Theseus's Ship), would the creature still have its consciousness? E.g. a white blood cell would be destroyed and replaced by a nanobot that ...
0
votes
1answer
39 views
Waht would be genetic and social result of articificial selection of people who would survive?
There is a standard, generic incoming doom.
The general population is already roughly aware how nasty the situation is. (with both people overreacting and underestimating the problem)
There is an ...
0
votes
4answers
93 views
Landing a spaceship
I was trying to think of a way to land a spaceship. The best I could think of was a ridiculously long airstrip for landing, and lots of catapults for takeoff, but then there was the problem of having ...
-1
votes
0answers
17 views
How many stone blocks are on the outer visible walls of the Giza pyramid? [on hold]
How many Stone blocks you can see from the outside of great pyramid of giza? I don't want to include the ones on the inside used to build the walls or the chambers, just the ones outer walls.
I want ...
16
votes
6answers
820 views
Alternatives to “humanoid” as a category in fantasy?
Not that political correctness has ever been an important theme in fantasy, but I've always found "humanoid" a strange category in settings that include, say, men, elves, orcs, dwarves, goblins, and ...
-1
votes
4answers
57 views
Sahara Savanna?
The Sahara Desert.
At 3.6 million square miles and an average high of 104 degrees Fahrenheit, this is the largest and hottest desert on the planet. Despite its sandy reputation, sand makes up only ...
9
votes
2answers
168 views
What would be the ideal composition of a newly founded society?
Imagine the following situation: There is a global catastrophe that will destroy the earth and there is a habitable planet in reach for spaceships. But it is technically possible to bring only 50,000 ...
-1
votes
1answer
47 views
Alan Grant's intelligent velociraptors [on hold]
In the third edition of Jurassic Park film Alan Grant before meeting the Kirbys gives a speech in which he says
......If it were not for the cataclysmic event that overtook them it would have been ...
9
votes
5answers
777 views
What effect would easy solar system travel have?
What would be the impact on modern civilisation be if a benevolent inventor gave the world the ability to travel around the solar system quickly and cheaply.
If over the next five years this ...
