I'm a Distinguished Prof. Emeritus of Computer Engineering at UCSB, USA. My passions are science, tech, & equal rights, but I'll share other human stories too.
Joined July 2017
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10,734 Photos and videos
Ayda Barasa: One of the thousands of young Iranians murdered by the Islamic regime during the January 2026 street protests.
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Facebook memory from June 15, 2020: This cartoon from 6 years ago is still relevant. facebook.com/819332578/posts…
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Sunday was the last day of the 2026 Commencement Weekend at USSB:
Graduation parties are being held in surrounding communities and local restaurants. Students have already begun vacating their dorm rooms and rental apartments.
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Aperiodic tiling:
We've all seen a plane tiled perfectly using a variety of tile shapes, such as square, rectangular, triangular, and hexagonal. If we use tiles of 2 or 3 different shapes, even more tiling options/designs become available. ... [Read more]
facebook.com/bparhami/posts/…
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Husband’s betrayal creates an artist:
I don’t know whether this story is true or fiction; either way, it’s worth sharing.
facebook.com/permalink.php?s…
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Cartoon of the day:
Father and son at the Museum of Human Progress, year 2300.
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The Center also explores American music more broadly by producing exhibitions, concerts, and educational programming that interprets and honors the cultural impact of American music past, present, and future.
Bruce Springsteen Center for American Music:
Located on the campus of Monmouth University in West Long Branch, New Jersey, the just-opened Center serves as the official repository for materials related to Springsteen and the E Street Band. springsteencenter.org/
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Bruce Springsteen Center for American Music:
Located on the campus of Monmouth University in West Long Branch, New Jersey, the just-opened Center serves as the official repository for materials related to Springsteen and the E Street Band. springsteencenter.org/
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... Previously, it took 3500-4500 years for a factor-of-10 growth. Going from 1 billion to 10 billion will take only 250 years. In case you are curious, it is estimated that a total of 117 billion people have ever lived on Earth, so the dead outnumber the living 13 to 1. [2/2]
Musings of a curious engineer (world population growth):
Before 10.000 BCE, Earth’s population hovered below 1 million for many millennia.
1 million: 10,000 BCE
10 million: 6500 BCE
100 million: 2000 BCE
1 billion: 1800 CE
10 billion: 2050 CE
[1/2]
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Musings of a curious engineer (world population growth):
Before 10.000 BCE, Earth’s population hovered below 1 million for many millennia.
1 million: 10,000 BCE
10 million: 6500 BCE
100 million: 2000 BCE
1 billion: 1800 CE
10 billion: 2050 CE
[1/2]
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Final thought for the day:
We may be headed to the same destination, but our journeys are different.
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... The inclination was first observed during the COVID-19 pandemic, when researchers in Spain considered how to maintain social distancing in crowds. In 32 out of 33 experiments, pedestrians ended up veering left and moving counterclockwise. [2/2]
We are not ambiturners:
Humans consistently show a preference toward moving counterclockwise. The phenomenon is not yet understood but holds true across variations in environment, age, gender, culture, and handedness. ... [1/2]
404media.co/scientists-just-…
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We are not ambiturners:
Humans consistently show a preference toward moving counterclockwise. The phenomenon is not yet understood but holds true across variations in environment, age, gender, culture, and handedness. ... [1/2]
404media.co/scientists-just-…
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... They are now holding shipping rights in the Strait of Hormuz hostage and appear to be getting major concessions from Trump to return shipping rules to the pre-war normal. [2/2]
Islamic Iran has perfected the art of hostage-taking since it held American citizens hostage for 444 days: Over the years, the mullahs have held numerous foreign nationals hostage on fake espionage/spying charges, releasing them only after major concessions. ... [1/2]
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Islamic Iran has perfected the art of hostage-taking since it held American citizens hostage for 444 days: Over the years, the mullahs have held numerous foreign nationals hostage on fake espionage/spying charges, releasing them only after major concessions. ... [1/2]
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... For the 2026 World Cup in North America, FIFA mandated the breaks regardless of stadium conditions, citing fairness. Will soccer head in the direction of more frequent breaks in action, like basketball, American football, and baseball? [2/2]
Will soccer evolve to have four quarters instead of two halves? Hydration breaks midway through each half were originally intended for use at the referee’s discretion depending on stadium conditions (temperature, humidity), beginning with the 2014 World Cup in Brazil. ... [1/2]
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Will soccer evolve to have four quarters instead of two halves? Hydration breaks midway through each half were originally intended for use at the referee’s discretion depending on stadium conditions (temperature, humidity), beginning with the 2014 World Cup in Brazil. ... [1/2]
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For those who don’t know much about soccer and what a team’s 11 players do on the field, here’s a simple explanation.
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Space data centers have been in the news for some time:
This article takes a detailed look at the motivations, engineering challenges, architectural design space, & technology gaps that will determine whether space datacenters become a practical reality.
ieeexplore.ieee.org/stamp/st…
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