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Fysiikan uutisia, faktoja ja ilmiöitä pienestä suureen ja päinvastoin.

Hyvä paikka aloittaa on: The Scale of the Universe

 

Kiireisille on fysiikan perusteita ja uutisia tarjolla YouTube-kanavalla: MinutePhysics

 

 CERN: Physics      String Theory

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Physics, Maths, Biology. Computer Science, etc.

 

Asteroid Rate Jumped in Solar System’s Past
Posted on Thursday January 17, 2019

An analysis of lunar craters has found that we’ve been living in a relatively violent period in cosmic history.

Unscrambling the Hidden Secrets of Superpermutations
Posted on Wednesday January 16, 2019

A science fiction novelist and an internet commenter made breakthroughs on a longstanding problem about the number of ways you can arrange a set of items. What did they discover?

How Nearby Stellar Explosions Could Have Killed Off Large Animals
Posted on Tuesday January 15, 2019

Subatomic particles called muons are thought to have streamed through the atmosphere and irradiated megafauna like the monster shark megalodon.

The Brain Maps Out Ideas and Memories Like Spaces
Posted on Monday January 14, 2019

Emerging evidence suggests that the brain encodes abstract knowledge in the same way that it represents positions in space, which hints at a more universal theory of cognition.

A New Approach to Understanding How Machines Think
Posted on Thursday January 10, 2019

Neural networks are famously incomprehensible, so Been Kim is developing a “translator for humans.”

New thermoelectric material delivers record performance
Posted on Thursday January 17, 2019

Taking advantage of recent advances in using theoretical calculations to predict the properties of new materials, researchers have discovered a new class of half-Heusler thermoelectric compounds, including one with a record high figure of merit -- a metric used to determine how efficiently a thermoelectric material can convert heat to electricity.

How molecules teeter in a laser field
Posted on Thursday January 17, 2019

When molecules interact with the oscillating field of a laser, an instantaneous, time-dependent dipole is induced. This very general effect underlies diverse physical phenomena. Now scientists report on an experiment where the dependence of the driven-dipole response on the bound state of an electron in a methyl iodine molecule is revealed.

Additive manufacturing reflects fundamental metallurgical principles to create materials
Posted on Thursday January 17, 2019

Engineers have been taking a novel approach to the development of engineering components produced using additive manufacturing.

Puzzling phenomenon in a quantum gas: Insulators with conducting edges
Posted on Thursday January 17, 2019

Insulators that are conducting at their edges hold promise for interesting technological applications. However, until now their characteristics have not been fully understood. Physicists have now modeled what are known as topological insulators with the help of ultracold quantum gases. They now demonstrate how the edge states could be experimentally detected.

New light shed on intensely studied material
Posted on Thursday January 17, 2019

The organic polymer PEDOT is probably one of the world's most intensely studied materials. Despite this, researchers have now demonstrated that the material functions in a completely different manner than previously believed. The result has huge significance in many fields of application.