20 years of satellite data reveal 'staggering' levels of glaciers melting, sea levels rising
Over the past two decades, glaciers worldwide have lost 273 billion tonnes of ice to a warming world, driving sea levels to rise at an accelerated pace, according to a decades-long comprehensive analysis.
30 years after warp drives were proposed, we still can't make the math work
To construct a warp drive, we would need negative mass, which doesn't appear to exist in the universe and would violate everything we know about motion, momentum and energy.
Pages
