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Force

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Putin urges Ukraine to negotiate or face military action

Originally Published 4 months ago — by South China Morning Post

Featured image for Putin urges Ukraine to negotiate or face military action
Source: South China Morning Post

Russian President Vladimir Putin expressed a preference for ending the Ukraine conflict through negotiations, citing hope for a peaceful resolution if common sense prevails, but warned he is prepared to use force if necessary, while maintaining demands such as Ukraine abandoning NATO membership and addressing discrimination against Russian speakers.

The Complex Nature of Gravity: Is it Truly a Force?

Originally Published 2 years ago — by Big Think

Featured image for The Complex Nature of Gravity: Is it Truly a Force?
Source: Big Think

The question of whether gravity is a force is complicated. Gravity can be defined as a force that causes objects to move or deform. Isaac Newton described gravity as a force of attraction between two bodies based on their mass and distance. However, Albert Einstein's theory of gravity proposed that it is the distortion of spacetime caused by massive objects. While Einstein's theory has been validated, it fails to describe gravity at the subatomic level. Scientists are still searching for a theory of quantum gravity that combines gravity with other subatomic forces. On the quantum scale, gravity is thought to be a force transmitted by particles called gravitons. Ultimately, the nature of gravity remains a complex and philosophical question.