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Archive for the ‘physics’ category

Jul 28, 2016

Neutrinos Hint of Matter-Antimatter Rift

Posted by in category: physics

An early sign that neutrinos behave differently than antineutrinos suggests an answer to one of the biggest questions in physics.

Jul 27, 2016

A stunning prediction of climate science — and basic physics — may now be coming true

Posted by in categories: climatology, physics, science

NASA researchers suggest sea levels may be plunging around Greenland because of ice loss and a resulting decline in gravitational pull.

Jul 27, 2016

Did the LIGO gravitational waves originate from primordial black holes?

Posted by in categories: cosmology, physics

Binary black holes recently discovered by the LIGO-Virgo collaboration could be primordial entities that formed just after the Big Bang, report Japanese astrophysicists.

If further data support this observation, it could mark the first confirmed finding of a primordial black hole, guiding theories about the beginnings of the universe.

In February, the LIGO-Virgo collaboration announced the first successful detection of gravitational waves.

Continue reading “Did the LIGO gravitational waves originate from primordial black holes?” »

Jul 26, 2016

Welcome to Lab 2.0 Where Computers Replace Experimental Science

Posted by in categories: chemistry, computing, mobile phones, physics, science, solar power, sustainability

We spend our lives surrounded by high-tech materials and chemicals that make our batteries, solar cells and mobile phones work. But developing new technologies requires time-consuming, expensive and even dangerous experiments.

Luckily we now have a secret weapon that allows us to save time, money and risk by avoiding some of these experiments: computers.

Continue reading “Welcome to Lab 2.0 Where Computers Replace Experimental Science” »

Jul 26, 2016

Dimensional Reduction: The Key To Physics’ Greatest Mystery?

Posted by in category: physics

Perhaps looking at our Universe as three dimensions of space is too restrictive. What if we were more — and less — all at once?

Jul 26, 2016

Engineer finds a huge physics discovery in da Vinci’s ‘irrelevant scribbles’

Posted by in category: physics

Until now, art historians dismissed some doodles in da Vinci’s notebooks as “irrelevant.”

But a new study from Ian Hutchings, a professor at the University of Cambridge, showed that one page of these scribbles from 1493 actually contained something groundbreaking: The first written records demonstrating the laws of friction.

Although it has been common knowledge that da Vinci conducted the first systematic study of friction (which underpins the modern science of tribology, or the study of friction, lubrication, and wear), we didn’t know how and when he came up with these ideas.

Continue reading “Engineer finds a huge physics discovery in da Vinci’s ‘irrelevant scribbles’” »

Jul 20, 2016

Physicists Say They’ve Figured out How Spacecraft Could Make It Through a Wormhole

Posted by in categories: climatology, cosmology, physics, space travel, sustainability

A new paper asserts that a physical body might be able to pass through a wormhole in spite of the extreme tidal forces that are at play.

A physical object, such as a person or a spacecraft, could theoretically make it through a wormhole in the centre of a black hole, and maybe even access another universe on the other side, physicists have suggested.

Continue reading “Physicists Say They’ve Figured out How Spacecraft Could Make It Through a Wormhole” »

Jul 19, 2016

A Debate Over the Physics of Time

Posted by in categories: physics, space

According to our best theories of physics, the universe is a fixed block where time only appears to pass. Yet if the flow of time is an illusion, how do we account for the distinction between past, present and future? In June, 60 physicists gathered for four days at the Perimeter Institute for Theoretical Physics to debate this another questions about the mysteries of time.

Jul 18, 2016

Physicists Successfully Perform Time Travel Experiment

Posted by in categories: physics, time travel

Scientists have conducted the world’s first successful time travel experiment, proving once and for all that time travel is possible.

Jul 18, 2016

A Fifth Force: Fact or Fiction?

Posted by in categories: internet, physics

Science and the internet have an uneasy relationship: Science tends to move forward through a careful and tedious evaluation of data and theory, and the process can take years to complete. In contrast, the internet community generally has the attention span of Dory, the absent-minded fish of “Finding Nemo”(and now “Finding Dory”) — a meme here, a celebrity picture there — oh, look … a funny cat video.

Thus people who are interested in serious science should be extremely cautious when they read an online story that purports to be a paradigm-shifting scientific discovery. A recent example is one suggesting that a new force of nature might have been discovered. If true, that would mean that we have to rewrite the textbooks.

As a physicist, I’d like to shed a disciplined scientific light on the claim.

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