Pasta purists insist on plonking dry spaghetti into the boiling pot whole, but should you rebel against convention and try to break the strands in half, you'll probably end up with a mess of scattered pieces.
Now, two MIT mathematicians have figured out the trick to breaking spaghetti strands neatly in two: add a little twist as you bend. They outlined their findings in a new paper in the Proceedings of the National Academy of Sciences.
This isn't the first time scientists have been fascinated by the physics of breaking spaghetti. The ever-curious Richard Feynman famously spent hours in his kitchen one night in a failed attempt to successfully break spaghetti strands neatly in half. It should have worked, he reasoned, because the strand snaps when the curvature becomes too great, and once that happens, the energy release should reduce the curvature. The spaghetti should straighten out and not break any further. But no matter how hard he tried, the spaghetti would break in three or more pieces.
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BALTIMORE—At the USENIX Security Symposium here today, University of Florida researcher Nolen Scaife presented the results of a research project he undertook with Christian Peeters and Patrick Traynor to effectively detect some types of "skimmers"—maliciously placed devices designed to surreptitiously capture the magnetic stripe data and PIN codes of debit and credit cards as they are inserted into automated teller machines and point-of-sale systems. The researchers developed SkimReaper, a device that can sense when multiple read heads are present—a telltale sign of the presence of a skimmer.
Nolen and his fellow researchers worked with data provided by the New York City Police Department (NYPD) to assess the types of credit-card-skimming gear currently in the wild. They uncovered four broad categories of skimming gear:
Overlays and deep inserts are by far the most common types of skimmers—and are increasingly difficult to detect. Police, Scaife noted, often find them only by looking for the cameras used by skimmers to capture PIN numbers, because most of the common detection tips—including trying to shake the card slot to see if it dislodges—are ineffective.
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A new proposal by the Australian government that would mandate its ability to access encrypted data held by companies both foreign and domestic has been met with fierce opposition from many in the privacy and technology communities.
The bill, known as the "Assistance and Access Bill 2018," seeks to overcome what American authorities have spent years calling the "going dark" problem. The notion, as Canberra explains it, is to enhance "the ability of our law enforcement and security agencies to access the intelligible data necessary to conduct investigations and gather evidence."
Fewer bots, more humans.
You get over 20 games in all, plus you support a worthwhile cause. Win-win! Plus: a collapsible backpack for only $7.
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