Post has attachment
'What the revolutionary theorem says, in cartoon essence, is the following: Wherever you find some sort of symmetry in nature, some predictability or homogeneity of parts, you’ll find lurking in the background a corresponding conservation — of momentum, electric charge, energy or the like. If a bicycle wheel is radially symmetric, if you can spin it on its axis and it still looks the same in all directions, well, then, that symmetric translation must yield a corresponding conservation. By applying the principles and calculations embodied in Noether’s theorem, you’ll see that it is angular momentum, the Newtonian impulse that keeps bicyclists upright and on the move.'
Add a comment...

Post has attachment

Post has attachment
Space.com
Space.com
space.com
Add a comment...

Post has attachment
Add a comment...

Post has attachment
Add a comment...

Post has attachment
'The fourth power is quite intriguing. The Northwestern team mentions that your graphene-treated hair will be able to interface with electronic components, since the coating can carry an electrical current. I can’t imagine the potential applications for this one–beyond adding LED beads that could display different colors depending on the thermal conditions of your scalp (purple for anger, for instance, or green for happiness).'

This is giving me so much inspiration
Add a comment...

Post has attachment
'The physicists accomplished this by creating a “superlattice” of two graphene sheets stacked together — not precisely on top of each other, but rotated ever so slightly, at a “magic angle” of 1.1 degrees. As a result, the overlaying, hexagonal honeycomb pattern is offset slightly, creating a precise moiré configuration that is predicted to induce strange, “strongly correlated interactions” between the electrons in the graphene sheets. In any other stacked configuration, graphene prefers to remain distinct, interacting very little, electronically or otherwise, with its neighboring layers.'
Add a comment...

Post has attachment
'Now, it's not clear how many of these materials will actually be easy to make and then flake off into atomically-thin sheets. But even if only 10 percent of the original collection work out, that's still a big leap forward. The large number of distinct properties in this collection of materials raises the prospect of having the ability to choose one that's appropriate for specific applications.'
Add a comment...

Post has attachment
Though Grand unified theories (GUTs ) and supersymmetry are appealing to physicists due to their mathematical elegance, long running experiments around the world big and small have yet to yield any actual evidence supporting them.
Add a comment...

Post has attachment
US conducted 210 atmospheric nuclear tests between 1945 and 1962.

In 1954, the US Castle Bravo test at Bikini Atoll (part of Operation Castle) had a yield of 15 megatons of TNT, more than doubling the expected yield. The Castle Bravo test resulted in the worst radiological event in US history as radioactive particles spread over more than 11,000 square kilometers, affected inhabited areas.

Fallout from the detonation contaminated islanders of Rongelap and Utirik atolls and crew members onboard a Japanese fishing vessel, where they suffered radiation sickness.

As a response to Castle Brave, Partial Test Ban Treaty prohibiting all test detonations of nuclear weapons except for those conducted underground was signed by the government of Soviet Union, UK and US in 1963.

One of the most controversial atmospheric test series was operation Plumbbob at the Nevada test site, where 18000 troops were exposed at a safer range to study how the average foot-soldier would stand up, physically and psychologically, to the rigors of the tactical nuclear battlefield.

1,200 pigs were also subjected to various biomedical and blast-effects studies, where some pigs were placed in elevated cages and provided with suits made of different materials to test which materials provided best protection from the thermal radiation
Add a comment...
Wait while more posts are being loaded