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Comment: Re:that's what happens (Score 1) 124

by almitydave (#49721681) Attached to: Prenda's Old Copyright Trolls Are Suing People Again

That touches on a thought I've often had: if "ignorance of the law is no excuse", then I'd really like to see a physical copy of all the laws by which I'm required to abide - federal, state, and local. I'm sorta surprised no one's played this as a tactic - I would have expected some grandstanding politician to roll out wheelbarrows of paperwork to make a point.


Photo Printing Website Artisan State Allows Access To All User-Uploaded Photos 94

Posted by Soulskill
from the locking-the-door-without-closing-it dept.
fulldecent writes: Popular photo printing website Artisan State, which specializes in bound photo books mostly for weddings or other events, unintentionally makes all its uploaded user photos available publicly for download. This case study shows how their photos are able to be downloaded and discusses the things vendors should think about when considering security of seemingly private user content. The case study also discusses how this flaw was reported to the vendor, but unfortunately never fixed. This follows other articles on Slashdot discussing security disclosure. How do you report vulnerabilities to vendors? Do you support publishing them if they are not fixed in a reasonable time?

Comment: Re:Amplitude not Height (Score 1) 61

by almitydave (#49649769) Attached to: Subsurface Ocean Waves Can Be More Than 500 Meters High

No. It's height. Wave height = 2 * wave amplitude. Internal waves do not occur at the surface, but they can affect the height of the surface (i.e. you can "see" internal waves on a ship's radar as the changes in sea surface height match the crests/troughs of the waves). Like a surface gravity wave, the main motion/movement of a water particle in an internal wave is circular/orbital, although there is also some along-wave direction movement (Stokes drift).

Also keep in mind that tsunami waves caused by earthquakes are mostly internal, and only become large surface waves when the water becomes shallow, and all that displacement has nowhere to go but up.

Comment: Re:Aren't they called Currents? (Score 1) 61

by almitydave (#49649717) Attached to: Subsurface Ocean Waves Can Be More Than 500 Meters High

Generally when talking about water, the definition of a wave specifies it is on the surface:"a disturbance on the surface of a liquid body, as the sea or a lake, in the form of a moving ridge or swell."

If you are using another definition of the word wave (such as that used by physics to refer to light, sound, etc.) when talking about water, you really should specify what you mean.

It's clear from the article they're using the latter meaning of "wave". The definition above is a visual description of what are generally caused by wind. You want definition 11 in your link.

One unexpected finding ... was the degree of turbulence produced as the waves originate, as tides and currents pass over ridges on the seafloor.

Watch the animation.


New Findings On Whale Tongues May Lead To Insight On Human Nerve Damage 47

Posted by samzenpus
from the bend-me-shape-me dept.
An anonymous reader writes with this story about the discovery of stretchy nerves in whales. Drawing from the Globe & Mail's story: Researchers from the University of British Columbia have discovered that the largest animals alive – whales – have nerves in their tongues that can double in length and then recoil like a bungee cord. The researchers were studying specimens at a commercial whaling station in Iceland when they stumbled upon the discovery reported Monday in Current Biology. Researchers say it could have important implications for study into human nerve damage. "I had never seen a nerve like that," said Wayne Vogl, of UBC's Cellular and Physiological Sciences department.

Feds Say It's Time To Cut Back On Fluoride In Drinking Water 314

Posted by timothy
from the my-amount-of-fluoride-right-or-wrong-but-my-amount-of-fluoride dept.
An anonymous reader writes: Federal health officials Monday changed the recommended amount of fluoride in drinking water for the first time since 1962, cutting by almost half the maximum amount of fluoride that should be added to drinking supplies. The Department of Health and Human Services recommended 0.7 milligrams of fluoride per liter of water instead of the long-standing range of 0.7 to 1.2 milligrams. The change is recommended because now Americans have access to more sources of fluoride, such as toothpaste and mouth rinses, than they did when fluoridation was first introduced in the United States,' Dr. Boris Lushniak, the deputy surgeon general, told reporters during a conference call.

Comment: Re:Slow (Score 3, Insightful) 106

by almitydave (#49394403) Attached to: World's First 1 Megawatt All-Electric Race Car

So? It's not an oval racer. It's built to a performance envelope defined by a specific event. The factors that are important here are acceleration, downforce, and mechanical grip; not top speed. Looking at the sketch in TFA, it's clear by the presence of the front wing that they're targeting massive downforce, which eats into top speed by creating drag.

"The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts." -- Bertrand Russell