As it nears 35 consecutive years of space service, the NASA/ESA Hubble Space Telescope has taken another look at a famous ...
Light was long considered to be a wave, exhibiting the phenomenon of interference in which ripples like those in water waves ...
From computer chips to image sensors in cameras, today's technology is overwhelmingly based on a semiconductor called silicon. This technology has been shrinking for decades—think of early room-sized ...
For years, astronomers have searched for the origins of ultra-high-energy cosmic rays, the most powerful particles in the ...
Refraction close refractionProcess by which a wave changes speed and sometimes direction upon entering a denser or less dense medium, eg a light ray changes direction when refracted by a lens.