By Eric Betz December 8, Simonne The dead cores of two stars collided million years ago in a galaxy somewhat far away. The collision was so extreme that it caused a wrinkle in space-time — a gravitational wave. That gravitational wave and the light from the stellar explosion traveled together across the cosmos. They arrived at Earth simultaneously at 6: Eastern on August But it was also the first-ever direct confirmation that gravity travels at the speed of light. The Speed of Gravity We all know light obeys a speed limit — roughly , miles per second.
6 Musts for a High Bat Speed
Posted on November 21, by energyskeptic Preface. But the need for a new, cleaner fuel may cause the next economic crisis. What follows are excerpts from P. Here are a few summary paragraphs from this paper: There is, though, a market constraint to this option. Volumes of low-sulfur crude oil are limited, and supplies are less certain because these crudes are produced primarily in Nigeria, a country that suffers frequent, politically induced market disruptions.
Safety advocates speak against the danger of irresponsible horsepower. High insurance premiums and stronger emissions Read More.
Introduction[ edit ] The speed of gravitational waves in the general theory of relativity is equal to the speed of light in a vacuum, c. Formally, c is a conversion factor for changing the unit of time to the unit of space. Thus, the speed of “light” is also the speed of gravitational waves and any massless particle. Such particles include the gluon carrier of the strong force , the photons that make up light hence carrier of electromagnetic force , and the hypothetical gravitons which make up the associated field particles of gravity however a theory of the graviton requires a theory of quantum gravity.
Static fields[ edit ] The speed of physical changes in a gravitational or electromagnetic field should not be confused with “changes” in the behavior of static fields that are due to pure observer-effects. These changes in direction of a static field, because of relativistic considerations, are the same for an observer when a distant charge is moving, as when an observer instead decides to move with respect to a distant charge. Thus, constant motion of an observer with regard to a static charge and its extended static field either a gravitational or electric field does not change the field.
For static fields, such as the electrostatic field connected with electric charge, or the gravitational field connected to a massive object, the field extends to infinity, and does not propagate. Motion of an observer does not cause the direction of such a field to change, and by symmetrical considerations, changing the observer frame so that the charge appears to be moving at a constant rate, also does not cause the direction of its field to change, but requires that it continue to “point” in the direction of the charge, at all distances from the charge.
10 Great Ancient Chinese Inventions
These are based on efficient FFT algorithms and frequency domain equalization, resulting in a lower number of multiplications per second. They also make it possible to control the bandwidth and form the spectrum in a flexible way. However, they require advanced dynamic channel allocation and adaptive traffic scheduling. IFDMA provides less power fluctuation and thus requires energy-inefficient linear amplifiers. These access schemes offer the same efficiencies as older technologies like CDMA.
Apart from this, scalability and higher data rates can be achieved.
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Peak human physical and mental condition Master martial artist Access to high tech equipment Portrayed by: In other media “The Batman phenomena gives me great satisfaction to realize that I have millions of fans in the world. The character made his first appearance in Detective Comics 27 May, Batman is the secret identity of Bruce Wayne. Witnessing the murder of his parents as a child leads him to train himself to physical and intellectual perfection and don a bat-themed costume in order to fight crime.
Batman operates in Gotham City , assisted by various supporting characters including his sidekick Robin and his butler Alfred Pennyworth , and fights an assortment of villains influenced by the characters’ roots in film and pulp magazines. Unlike most superheroes, he does not possess any superpowers; he makes use to the best that he can of intellect, detective skills, science and technology, wealth, physical prowess, and intimidation in his war on crime. Batman became a popular character soon after his introduction, and eventually gained his own title, Batman.
As the decades wore on, differing takes on the character emerged. The late s Batman television series utilized a camp aesthetic associated with the character for years after the show ended.
10 Great Ancient Chinese Inventions
Ready to shape the future of the energy sector? Application period for Smart Innovation Challenge has ended About the Smart Energy Innovation Challenge This challenge calls for any ideas and solutions, which promote smart electricity usage while considering problems the demand cluster formation may cause. The suggested solutions may cover the whole value chain ranging from consumer-oriented price-driven solutions to optimum deployment of energy assets and power flows in distribution networks, and to market participation.
celebrates the best work in fashion film, music video, experimental filmmaking and content for beauty, cosmetic and lifestyle brands. The high-profile festival jury will select this year’s best national and international submissions, which will be presented and awarded .
The first measured 24 hour production from Bakken wells is a very good predictor of the future production of that well. And it has also been confirmed that new wells with higher well numbers are producing a lot less. By searching these two lists, then eliminating the duplicates that appear on both lists, we find that perhaps 70 to 80 percent of all wells report their first 24 hours of measured production.
An example below, and notice the second well listed does not give any production numbers: I have collected, from this source, the data from 2, wells dating from November 1st to the present date. Enno Peters gathered data from several thousand Bakken wells dating from the early Bakken t mid There were a more matches than this but had no data or incomplete data. But it was mostly because only a little over half my data overlapped his.
I converted his monthly data to barrels per data by dividing the monthly data by There were sometimes great anomalies in the data so to smooth things out, on the first three charts below, I used a 50 well average. Here are the results. The horizontal and right axis is first 24 hour barrels. When I sorted the data by production in the first 24 hours I found a strong correlation with the second months production.
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Share5 Shares 12K It is well known that China has an ancient and glorious history, from the feudal periods ending in BC through the three Imperial and Intermediate Eras, up to the Modern era — over years of dynastic reigns. It may also be well known that China is the source of many wonderful and useful inventions from spaghetti to gunpowder. This list, however, will take a slightly different slant of the topic: Chinese inventions and developments that were not known to or adopted by the Western European world for many decades and sometimes centuries after they were common place in China.
Some you may be familiar with, others perhaps less so. William Harvey is credited with discovering the circulation of blood in
A study by uSwitch revealed a massive fluctuation in peak and off-peak times, with broadband speeds in the UK dropping by an average of 35 per cent between 7pm and 9pm.
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Friday, November 23, October 24, Since , there have been eruptions and 52 episodes of notable volcanic unrest at 44 U. When erupting, all volcanoes pose a degree of risk to people and infrastructure. However, the risks are not equivalent from one volcano to another because of differences in eruptive style and geographic location.
The assessment uses 24 factors to obtain a score and threat ranking. The findings are in the newly published Update to the U.
Japan is a country that’s famously hard to read, so a local-led group tour is a pretty good idea. We’ll introduce you to Soba masters in Tokyo, lead you through tuna auctions and sumo stables, stay with Buddhist monks in Koya San and sing bad karaoke ‘til the wee hours in Osaka. You ready?
Choose the proper gold pan for you Use a gold pan that is a good size for you. I think the newer plastic pans are superior to the old metal pans. They also come in various colors which helps you spot the gold in the bottom of your pan. You can also get a good quality gold panning kit that also include classifiers, snuffer bottle, and other handy tools for gold recovery. Use snuffer bottle and magnet You will probably find lots of black sands when you are panning and sluicing for gold.
Some of these black sands are magnetic, and you can remove them with a strong magnet. There are specialized magnets for this task that work quite well and are reasonably priced. These are a handy tool for removing black sands from your gold pan. Every prospector should have a snuffer bottle.