Search results
Results from the WOW.Com Content Network
Many hypothetical doomsday devices are based on salted hydrogen bombs creating large amounts of nuclear fallout.. A doomsday device is a hypothetical construction — usually a weapon or weapons system — which could destroy all life on a planet, particularly Earth, or destroy the planet itself, bringing "doomsday", a term used for the end of planet Earth.
A global catastrophic risk or a doomsday scenario is a hypothetical event that could damage human well-being on a global scale, [2] even endangering or destroying modern civilization. [3] An event that could cause human extinction or permanently and drastically curtail humanity's existence or potential is known as an " existential risk ".
Most environmental scenarios involve one or more of the following: Holocene extinction event, [38] scarcity of water that could lead to approximately half the Earth's population being without safe drinking water, pollinator decline, overfishing, massive deforestation, desertification, climate change, or massive water pollution episodes.
For premium support please call: 800-290-4726 more ways to reach us
Gray goo (also spelled as grey goo) is a hypothetical global catastrophic scenario involving molecular nanotechnology in which out-of-control self-replicating machines consume all biomass (and perhaps also everything else) on Earth while building many more of themselves, [1] [2] a scenario that has been called ecophagy (the literal consumption of the ecosystem). [3]
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 December 2024. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. The Last Judgment by painter Hans Memling. In Christian belief, the Last Judgement is an apocalyptic event where God makes a final ...
the future can be so good that it's hard for any of us to imagine. my basic take on this is that we will have 'unlimited' intelligence and energy, and all that will unlock. but the risks grow with ...
A dead oarfish found along the Southern California coast marks the state's third sighting of the so-called "doomsday fish" this year.. The roughly 10-foot oarfish was discovered on Nov. 6. at a ...