Graduate Physics Association - GPA

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Saturday, 2 May
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A quantum computer made out of helium? A new study published in Physical Review X shows how it might someday be possible.

Using a quantum dot with microscopic reservoirs full of liquid helium and a trap to control the flow of single electrons, researchers show how they can detect and measure the movement of individual electrons on the surface of liquid helium. Their device also works at temperatures above one Kelvin — conditions that are suitable for large-scale quantum processors.

Read the article here: https://go.aps.org/3IPsk7I

If you had the whole world to choose from, what would you take? When Marie Curie was asked, her answer surprised the interviewer: She would want just one gram of radium for her research.

Curie got her wish in May 1921, after a meeting with U.S. President Harding. Read more about her historic journey in APS News: https://go.aps.org/4jTAwAA

A googolplex is the large number 10 to the power googol, or equivalently, 10 to the power 10 to the power 100 or 10 to the power 10,000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000.
A typical book can be printed with 10to the power 6 zeros (around 400 pages with 50 lines per page and 50 zeros per line). Therefore, it requires 10 to the power 94 such books to print all the zeros of a googolplex (that is, printing a googol zeros). If each book had a mass of 100 grams, all of them would have a total mass of 10 to the power 93 kilograms. In comparison, Earth's mass is 5.97 × 10 to the power 24 kilograms, the mass of the Milky Way galaxy is estimated at 1.8 × 10 to the power 42 kilograms], and the total mass of all the stars in the observable universe is estimated at 2 × 10 to the power 52 kg.

To put this in perspective, the mass of all such books required to write out a googolplex would be vastly greater than the mass of the observable universe by a factor of roughly 5 × 10 to the power 40.

Googolplex - Wikipedia A googolplex is the large number 10googol, or equivalently, 1010100 or 1010,000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000,​000,000,000. Written out in ordinary decimal notation, it is 1 followed by...

Russia spans 9 time zones and has more surface area than Pluto.

But tiny Bangladesh (the size of New York) has a lager population.

In 2022, Bangladesh was home to 169 million people. Russia was home to just 144 million.

Bangladesh is the eighth most populated country in the world, and it has one of the highest population densities in the world. With a land area of 148,460 square kilometers (57,320 sq mi), Bangladesh has a population density of about 1,260 people per square kilometer, which is almost three times denser than its neighbor India.

Dr. Katie Mack teaches John Green about the beginning of the Universe - including that we are not just made of stardust; we are also made of Big Bang stuff, with pieces of us directly born in the vast, first cacophony.

A Podcast About The Entire History Of The Universe Introducing the very first Crash Course Podcast! Over the next 11 episodes, John Green and Katie Mack will walk through the entire history of the universe… e...

Attending the Frankfurter Buchmesse this weekend? Stop by the Purpose-Led Publishing stand (Hall 4.0, B57) to say hi and learn about our efforts to put ethical, high-quality publications over profit.

The fair runs through Oct. 20.

“Finding someone who looks like you and understands your struggle and background definitely helps.”

Italian Johnson used the National Mentoring Community to find a mentor who not only shared her interest in physics, but also her experience as a Black woman in the field and someone who attended a historically Black university.

Join now and find a mentor who shares your experiences and can help you navigate your unique career path: https://go.aps.org/3UclmMJ