Ralph

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The Scientifically Best Times To Drink Coffee During The Day

Why you should treat caffeine the way you treat painkillers or antibiotics<p>When's the optimal time to get your coffee kick? Sometime between 9:30 and 11:30 in the morning should work well, neuroscience doctoral student Steven Miller explains in a supremely helpful blog post.<p>Careful timing of when …

What We Now Know About The Chelyabinsk Meteor

A set of newly released papers reconstruct the fireball's impact.<p>Months after a 62-foot-wide fireball streaked through the morning sky over Chelyabinsk, Russia, scientists are starting to get a handle on the rock's composition, trajectory and impact. Three papers released this week, two in <i>Nature</i> …

What is Heisenberg's Uncertainty Principle?

How the sun shines and why the vacuum of space is not actually empty<p>The uncertainty principle is one of the most famous (and probably misunderstood) ideas in physics. It tells us that there is a fuzziness in nature, a fundamental limit to what we can know about the behaviour of quantum particles …

Best photos, images, videos of Comet ISON

Now ISON cannot be seen from Earth, but it’s coming into the field of view of a whole fleet of ESA and NASA space-based observatories.<p>Professional …

Gymkhana 6: Ken Block is Back With a Custom Track

Pro rally driver Ken Block pushes his Ford Fiesta to the limit in his new Gymkhana video.<p>In a display of tire tread terror and peak auto performance, Ken Block showcases the adrenaline-pumping pastime of Gymkhana, an increasingly popular motorsport requiring a driver to traverse a complex course of …

How big is the universe … compared with a grain of sand? - video

Scientist praises socialist philosopher under attack from senator Joseph McCarthy in letters written in 1954<p>Published: 1 Mar 2013<p><b>Stephen Curry:</b> Wonders of Life is the amazing story of the physics of living things, but underneath there is a harder and more complex tale to tell<p>Published: 18 Feb …

Time to Thank Edward Snowden

When Edward Snowden first leaked massive NSA files to the <i>Guardian</i> newspaper, public reaction was mixed. To some, he had arrogated to himself a decision to make public some of the most sensitive national security secrets, damaging America's ability to track terrorists, a decision that he had no …