Mars’ largest moon, Phobos, is slowly falling toward the planet, but rather than smash into the surface, it likely will be shredded and the pieces strewn about the planet in a ring like the rings encircling Saturn, Jupiter, Uranus and Neptune.
UC Berkeley postdoctoral fellow Benjamin Black and graduate student Tushar Mittal estimate the cohesiveness of Phobos and conclude that it is insufficient to resist the tidal forces that will pull it apart when it gets closer to Mars.
Mars tugs differently on different parts of Phobos. As Phobos gets closer to the planet, the tugs are enough to actually pull the moon apart, the scientists say. This is because Phobos is highly fractured, with lots of pores and rubble. “Dismembering it is analogous to pulling apart a granola bar”, Black said, “scattering crumbs and chunks everywhere.”
So basically, last night 10/31/2015 a bunch of white college students, primarily from frats and sororities, threw a collective temper tantrum because their parties were shutdown. They threw rocks and bottles at cops and damaged property but nothing happened to them. Epitome of white privilege or what? #whiteprivilege #ucberkeley
UC Berkeley physicists have created ultrasonic, lightweight loudspeakers and microphones that will enable people to echolocate like bats and dolphins.
The wireless ultrasound devices complement standard radio transmission using electromagnetic waves in areas where radio is not practical, such as underwater, but with far greater fidelity than current ultrasound or sonar devices.
They can also be used to communicate through objects, such as steel, that electromagnetic waves cannot penetrate.
The device is made with graphene that consists of carbon atoms laid out in a hexagonal, chicken-wire arrangement, which creates a tough, lightweight sheet with unique electronic properties.
UC Berkeley physicist Alex Zettl explains:
There’s a lot of talk about using graphene in electronics and small nanoscale devices, but they are all a ways away. The microphone and loudspeaker are some of the closest devices to commercial viability, because we’ve worked out how to make the graphene and mount it, and it’s easy to scale up.
The cockroach’s unique way of moving and its general imperviousness to destruction make it the perfect inspiration for a rescue bot, which would need to be able to hunt through rubble and confined spaces.
researchers looked at two versions of the gene variant, or “allele”
known as 5-HTTLPR, and found that people with the short version were
more likely to smile and laugh while looking at
cartoons and funny clips from the movie Strangers in Paradise.
They found that people with the short allele displayed a more genuine smile and laugh than people with the long allele.
previous research has found that people with the short variant were more
vulnerable to depression and anxiety, this study also shows that they
are more responsive to the emotional highs of life as well.
the short allele is not bad or risky,” said Dr. Claudia
Haase of Northwestern University, coauthor of the study. “Instead, the
short allele amplifies emotional reactions to both good and bad
Repost: Berkeley Student react to ISIS flag (Ami on the Street)
Filmmaker Ami Horowitz recently conducted a revealing social experiment on the University of California-Berkeley campus.
First, he waved an Islamic State flag while shouting statements
supportive of the terrorist group and critical of the United States. He
then switched to the flag of Israel and condemned Hamas, also a
The Islamic State flag demonstration appeared to result in
essentially no confrontations, according to the footage published. One
person even told Horowitz “good luck” and others seemingly expressed
support for his cause.
However, when he began waving the Israeli flag, he was met almost
immediately with angry students who accused the Jewish state of being
“killers,” tyrannical and guilty of genocide.
Watch and compare the reactions to the two different flags