top Ask Slashdot: Best Anti-Virus Software In 2015? Free Or Paid?
I have tried a few paid options and a number of free antivirus. Nothing as yet has convinced me to use a paid option.
For Windows 8 there is no need as Microsoft Security Essentials, renamed Windows Defender, is good enough. Otherwise I use Avast, which seems to work well and comes with a few handy options like a software updater and the option to run a scan at boot time. Though it can be annoying recently as it reminds you of other paid features like VPN tunnels.
Steer clear of Norton for God's sake, it seems as bad as the disease itself. I dislike Symentec and had problems in the past with AVG. A few years back an update prevented browsers from accessing the internet.
If you think you may be infected try running a scan of the free version of Malwarebytes, it gives a good second opinion and is great at cleaning up some infections.
top Education Debate: Which Is More Important - Grit, Or Intelligence?
Which is why my favourite prayer is the
God, give me grace to accept with serenity
the things that cannot be changed,
Courage to change the things
which should be changed,
and the Wisdom to distinguish
the one from the other.
top What Isn't There an App For?
Until there is an app to open bottles I see no need in a so called smart phone.
top CIA Lied Over Brutal Interrogations
Would you like some tomato ketchup with that?
about a month and a half ago
top Andrea Rossi's E-Cat cold fusion reactor 'verified' by third-party researchers
The E-Cat would be an amazing device if it worked as claimed, it goes against what most experts reckon about nuclear fusion so its evidence has to be very good. In the report the most interesting piece of evidence are the isotope changes in the spent fuel, which point to some sort of nuclear reaction. Even though no radiation was detected coming from the device, how is that possible?
The dummy reactor was switched on at 12:20 PM of 24 February 2014 by Andrea Rossi who gradually
brought it to the power level requested by us. Rossi later intervened to switch off the dummy, and in the
following subsequent operations on the E-Cat: charge insertion, reactor startup, reactor shutdown and
powder charge extraction.
Oh. More independent research without Rossi's involvement please! Yeah I don't believe it works but I am open to changing my mind if the evidence warrants it which this report does not.
top Low-Carb Diet Trumps Low-Fat Diet In Major New Study
The abstract says, "A low-carbohydrate (<40 g/d) or low-fat ( >30% of daily energy intake from total fat [>7% saturated fat]) diet.".
If I am reading this correctly the low carbohydrate diets only had 40 grams of carbohydrate, or less, per day. This is a major change from the typical American diet, one medium size potato contains about 40 grams of carbohydrate. With such a low bar the usual habit of eating lots of bread, pasta, potatoes and rice is not possible and you really have to try changing your diet. As one of the major failings of the modern Western diet is too much processed, simple to digest carbohydrates the changes they made were probably exactly the right ones to make.
While the low fat diet stipulates less than 30% fat, the average American diet gets about 35% of their calories from fat. I can imagine that these people only slightly tweaked their diet. Maybe they ate as before but consumed lower fat versions of the same meals, a recipe to eat more sugars and other processed carbohydrates.
So I am not convinced by the simple description that this study shows more fat is better, I think it is really shows that too many simple carbohydrates are bad.
Well that is how I read the study, what actually happened may be different.
top Aliens and the Fermi Paradox
Current cosmology theories suggest that only 5% of the energy content of the Universe is matter. We assume that dark matter which accounts for 84% of matter is boring stuff that only interacts with gravity. What if we are missing out on most of the Universe because dark matter has its own dark forces meaning that dark matter is as varied as our matter?
In this case most aliens are made of dark matter, we can't see them and they can't see us.
top The Sci-Fi Myth of Robotic Competence
In order of precedence.
1. Don't Crash 2. If crashing is inevitable then crash as safely (slowly) as possible. 3. Obey the laws of the road.
top The Highest-Flying Wind Turbine
Solar wind dude.
top BEST Study Finds Temperature Changes Explained by GHG Emissions and Volcanoes
"That's why the south pole is colder than the north pole; it's farther away from the sun in winter than the north pole is in its winter."
The main reason why Antarctica is colder is because Antarctica is land and therefore elevated. Combined with its one mile thick ice sheet it is the highest elevated continent on earth. The lack of land at the Arctic means the ice is less stable and therefore makes it much harder for that amount of ice to accumulate. The difference in sunlight reaching the Earth due to its elliptical orbit is about 7% so not a large factor.
top Permafrost Loss Greater Threat Than Deforestation
There have been several shifts from glacial to interglacial climates during that time. My view is that if massive methane releases were a threat now, then we would have seen something similar during one of these times.
Well according to the article, in those 650,000 years the highest CO2 levels were at 380ppm, we are now at 390ppm with no sign of slowing down. The temperature highs in that period were a little higher than now, but not by much. So we would not expect the methane to be released yet but sometime in the future. As we have done so little to slow down our CO2 contributions that time could be pretty soon.
top 150th Anniversary of Greenhouse Climate Theory
A great site for this is
The Discovery of Global Warming.
top NASA Says 2010 Tied For Warmest Year On Record
Also note that the last IPCC estimate did not include the effect of melting glaciers and ice caps as they felt the predictions were not accurate enough. The next IPCC report is bound to include them so expect that estimate to be dramatically higher than the one before.
top Are 10-11 Hour Programming Days Feasible?
First thought is, will adding new features actually be productive? I sense that the problem is probably not a lack of features but either poor selling or a small market. Adding more features will not fix these business problems.
My 2nd thought is that if you are asked to work 10 hours day it has to be for a limited time as it is not sustainable. Therefore you need a good reason and a goal. If this deal is open-ended what is most likely to happen is all this work generates no extra revenue and burnt out workers.
top Minutes I spend on the phone, on a typical day:
You're not a teenager obviously.
top How To Profit From Planetary-Scale Computing
This is the kind of shit that has madmen and economists thinking you can forever grow an economy in a finite world with finite resources
In you compiler example you cannot keep speeding it up - the fastest it can be is instant. You may argue that the economy can be expanded by creating new industries but again with finite people this cannot go to infinity. A 1% growth rate is a doubling in 70 years this cannot go on for more than a few centuries.
What will happen is that growth will slow and keep on slowing.
top Global Warming's Silver Lining For the Arctic Rim
Earth is an interesting hypothesis and shows us some things about the
system of Earth - that it is a complex dynamic system with many
The more recent snowball Earth glaciations are thought to have happened
three or four glaciation events with the most recent, the Marinoan,
about 650 million years ago. At the beginning of these glaciations the
relatively low for the time and the continents were distributed around
The mechanism which started the cooling periods is not known, but if
cold enough the resulting ice can spread down to close to the equator.
has a higher albedo, about ~60% compared to the sea which reflects
about 6% of
incoming light, we get a "positive" feedback where cooling reflects
more of the suns energy away from the Earth causing more cooling. This
the Earth into a frozen period for millions of years. This poses a
can the climate system unfreeze now most of the Sun's energy is
With much of the Earth frozen, CO2 will build up as there is very
weathering as it is all covered by ice and not much photosynthesis
the end of the snowball Earth period, CO2 may have risen to 12,000 ppm.
warming effect of the CO2 would have been weaker in this frozen state
is now, because CO2 traps infrared radiation while most of the sun's
being reflected in the visible part of the spectrum. This is why the
had to raise to such a high level to bring us out of this cold phase
though we are presently in a much warmer climate with less CO2. This
top Humans Will Need Two Earths By 2030
So what? Recycling alone handles virtually all of that hypothetical supply problem.
Only if the population does not increase, otherwise new resources will have to be gathered or we have a drop in the amount of our material goods.
The first sentence isn't true. Peak oil is quite consistent with free market theory. And the "tripling" in price of oil is the price signal that will encourage people to seek alternatives to oil.
But what happens in that transistion period when the oil price sky rockets? There are trillions of dollars of resources sunk in the petrochemical infrastructure. It will take at least an equal amount of resources and money to replace that with a new energy resource. For this to happen without problems the infrastructure has to be put in place before the shortage and therefore before the market has naturally responded.
Therefore we should be intelligent and realise what the future is likely to bring upon us and act with plenty of time to spare. However too many talk about the cost and how everything is OK now. Yes things are OK now, but what about 20 years time?
top Humans Will Need Two Earths By 2030
The water estimate is way off if you actually want to grow and produce things. Considering that agriculture is ~70% of our water consumption and industry is ~20% you can see we are not factoring in alot of water in this calculation. The linked document estimates 350 million cubic meters of fresh water is required. Considering that the USA alone consumes 470 million cubic meters of fresh water you can see that it gives a very false impression of the resource use of the human race.
So in essence the document is interesting but does not show that we have plenty more resources because it does not factor in much of our actual consumption.
top Scientists Find New Target For Alzhiemer's
While beta amyloid is like a prion in that the protein is "misfolded" and forms a tangled insoluble protein mass. It is not "contagious" like a prion disease. Beta amyloid is formed after cleavage of the amyloid precursor protein by alpha-, beta- and gamma- secretase.
The current state of knowledge for Alzheimer's is still very hazy, for many years there has been a discussion whether amyloid plaques are the cause of Alzhiemer's or a symptom of some other problem. More pieces of the puzzle are continually being found but what is really happening still remains elusive. An
article I read in New Scientist suggested that the plaques themselves may not be the problem. With the real damage being done by the shorter chains which are created when the amyloid precursor protein is first cleaved.
There may be links to prion diseases.
This study in mice suggests that non-infectious prions make Alzheimer's worse. While this older story suggests their may be a protective effect. Bleeding edge science can be confusing :)
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