Nature Communications - The invention of the Fourier integral in the 19th century laid the foundation for modern spectral analysis methods. Here the authors develop frequency-based methods for...

How high you would jump on other planets or moons?
In this video we represent the average jump height of a person on Earth and its equivalent in other worlds of the Solar System.

Note: Gaseous giants gravity (eq., 1 bar) can vary according to the source.…

The aptly named IceCube collaboration, a huge telescope buried in the crystal clear ice of Antarctica, has been running for 10 years. It’s there to detect neutrinos, an almost undetectable particle.
Watch the Q&A: https://youtu.be/dWRlMEso_2E

Join Jenni…

【加入会员链接】https://www.youtube.com/channel/UCSs4A6HYKmHA2MG_0z-F0xw/join
【订阅频道链接】https://www.youtube.com/李永乐老师
------------------------------------------------
视频内容：
你听说过双生子佯谬吗？有一对双胞胎，哥哥在地球上，弟弟乘坐飞船环宇宙旅行，等弟弟回到地球上时，他们谁更年轻？按照相对论的时间膨胀效应，运动的物体时间变慢，哥哥会认为弟弟更年轻；可是，…

To try out our new course (and many others on math and science), go to https://brilliant.org/sabine. You can get started for free, and the first 200 will get 20% off the annual premium subscription.

The best spoofs and hoaxes from academia, including, but…

The Webb telescope soon will help measure the world, which may offer insights into how our own formed.

MIT 18.S096 Topics in Mathematics with Applications in Finance, Fall 2013
View the complete course: http://ocw.mit.edu/18-S096F13
Instructor: Peter Kempthorne, Choongbum Lee, Vasily Strela, Jake Xia

In the first lecture of this course, the instructors introduce…

Quantum field theory may be the most successful scientific theory of all time, predicting experimental results with stunning accuracy and advancing the study of higher dimensional mathematics. Yet, there’s also reason to believe that it is missing something.…

Insects are the world's smallest flying migrants, but they can maintain perfectly straight flight paths even in unfavorable wind conditions, according to a new study from the Max Planck Institute of Animal ...

SpaceX’s behemoth could upend research with its immense capacity and low costs

type of shift register in computing

Learn Algebra in this full college course. These concepts are often used in programming.

This course was created by Dr. Linda Green, a lecturer at the University of North Carolina at Chapel Hill. Check out her YouTube channel: https://www.youtube.com/ch…

a method to solve constrained optimization problems

What is time? Does the past still exist? How did the universe begin and how will it end? Do particles think? Was the universe made for us? Why doesn’t anyone ever get younger? Has physics ruled out free will? Will we ever have a theory of everything? According…

After a disappointing research experience, this scientist clarified what inspired her

Dreams are so personal, subjective and fleeting, they might seem impossible to study directly and with scientific objectivity. But in recent decades, laboratories around the world have developed sophisticated techniques for getting into the minds of people…

“a man doesn’t require things more than his basic needs.”

Jiamin Hou, Zachary (Zack) Slepian and Robert (Bob) Cahn talk about their very interesting, recent paper looking for parity violation in the large scale structure. Cutting to the chase, they find evidence for it at ~7σ. They also do various systematic tests…