If we can squeeze 1 terabyte into a MicroSD card, why don’t we have standard sized hard drives that can hold thousands of terabytes of data?
Here’s a 128GB microSD card with the lid off. That black rectangle is the actual flash memory chip. You could probably fit at least 40 of these on…
Pangaea: Will the continents on Earth once again form a “Pangea” millions of years from now?
For starters, Pangaea isn’t even the earliest supercontinent, only the most recent. Before Pangaea, was Pannotia. Before Pannotia, was Rodinia. Before Rodinia, was Columbia. And before Columbia, was…
What causes the Earth to vibrate at a frequency of 7.83Hz?
The vibration of Earth at a frequency of 7.83 Hz is known as Schumann resonance – named after the German physicist Otto Schumann (1888-1974), who predicted and mathematically described the…
How much would a cubic inch of a neutron star weigh? What would happen if it suddenly appeared on earth?
Neutron stars are made of neutronium which is neutrons packed shoulder to shoulder by intense gravity and has a density in the neighborhood of 10^17 Kg/m^3 which is…
If evolution is blind, shouldn’t there be organisms that evolved themselves into a dead end? Are there any examples of this?
You already have plenty of examples in other answers. Though no one mentioned the one closest to home: Neanderthals. But didn’t they evolve into us modern Sapiens? No….
Could planets with 99% oxygen exist in space?
We actually already have one of those! Though it’s a moon, not a planet. And it only qualifies because of a loophole. This is Europa. It’s a moon…
What are some mind-blowing technologies that exist that most people don’t know about?
Those little black dots on car windows — everybody who’s ever sat in a car has noticed them, but nobody ever told us what they are for (if…
If you poured water into space, would it freeze or evaporate first?
Why should it freeze? Contrary to popular misconception, space is not cold. Being a near-perfect vacuum, space itself has no temperature at all. If a given object is in space…
If we could travel 1 billion times faster than the speed of light, will we reach other galaxies in seconds, or what would happen?
Here’s the thing, If you travel to the next galaxy at the speed of light YOU will arrive instantaneously If you travelled FASTER than light .. if were…
For billions of years Earth was uninhabitable. Is it possible that planets in our solar system are going through similar phases and will in the far future be able to sustain life?
Earth was created 4.5 billion years ago. Life started almost immediately as Earth cooled enough and is likely around 4 billion years. The Early Earth was a very…