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Solar sails pushed by powerful lasers could reach incredible speeds, but relativity may eventually make the light itself work against them. At around 75% of the speed of light, scattered photons can begin creating drag, adding a surprising obstacle to interstellar travel.
We haven't written up this one. ScienceDaily has the full story — the link below goes straight to it.
He reported from space that only "fat" Japanese tree frogs enjoyed weightlessness.
Spacecraft famously have small bits of them disintegrate on reentry. That’s by design, as it is one of the easiest solutions to absorbing the incredible amounts of energy they experience.
Some forecasts indicate this year's El Niño may be the strongest ever recorded.
High above Earth, thin veils of metallic haze drift through the edge of space. Known as sporadic E layers, these high-altitude “clouds” form from the vaporized dust of burnt-up meteors, earning their name from the unpredictable way they emerge and then dissipate.
High above Earth, thin veils of metallic haze drift through the edge of space. Known as sporadic E layers, these high-altitude “clouds” form from the vaporized dust of burnt-up meteors, earning their name from the unpredictable way they emerge and then dissipate.
KUALA LUMPUR: Universiti Pertahanan Nasional Malaysia (UPNM) is strengthening its research and innovation capabilities in defence and security through the establishment of the Sultan Ibrahim Centre of Excellence for Research and Innovation (PaKSI), in line with its UPNM30 Strategic Plan.
