Michael Eastwood: Twistor theory for LQG
Twistor Theory was proposed in the late 1960s by Roger Penrose as a potential geometric unification of general relativity and quantum mechanics. During the past 50 years, there have been many mathematical advances and achievements in twistor theory. In physics, however, there are aspirati
From playlist Mathematical Physics
16/11/2015 - Roger Penrose - Palatial Twistor Theory: a Quantum Approach to Classical Space-Time
https://philippelefloch.files.wordpress.com/2015/11/2015-ihp-rogerpenrose.pdf Abstract. Up until recently, the applications of twistor theory to general relativity have been rather limited, applicable mainly to special solutions of the Einstein equations and to complex solutions which are
From playlist 2015-T3 - Mathematical general relativity - CEB Trimester
Other names of this toy: Rolling coaster car, Plasma car. Only four orange wheels touch the ground. Two violet wheels located at the front of the car do not touch the ground or spin: they are merely there for stability and safety in case the rider leans forward or drives into an elevated
From playlist Mechanisms
#Physics #Mechanics #Engineering #NicholasGKK #Shorts
From playlist General Mechanics
B03 Fluid shifts here on earth
The difference between the erect and supine positions here on earth.
From playlist Space Medicine
Spinlaunch Throw Rockets into Space (with something which looks like Nikola Tesla turbine)!!!
The concept behind that system is simple. Essentially, SpinLaunch wants to get to orbit by using a large, vacuum-sealed chamber and a hypersonic tether to spin a spacecraft at a high enough velocity up to 5000 miles per hour to escape the atmosphere. That means no rocket, no rocket engines
From playlist SPACE
What the HECK is Time?! (in Einstein’s Relativity)
In special and general relativity, we imagine time as just another dimension of space in something called "spacetime." Unfortunately, this picture leads to questions about determinism and free will. Is that really how it works? What does the concept of spacetime actually say about the univ
From playlist Gravity as Spacetime Curvature
Ana-Maria Brecan: Deformation theory of twistor spaces of K3 surfaces
Abstract: Twistor spaces of K3 surfaces are non-Kähler compact complex manifolds which play a fundamental role in the moduli theory of K3 surfaces. They come equipped with a holomorphic submersion to the complex projective line which under the period map corresponds to a twistor line in th
From playlist Algebraic and Complex Geometry
Scattering Amplitudes and Positive Geometries at Infinity (Lecture 1) by Nima Arkani-Hamed
RECENT DEVELOPMENTS IN S-MATRIX THEORY (ONLINE) ORGANIZERS: Alok Laddha, Song He and Yu-tin Huang DATE: 20 July 2020 to 31 July 2020 VENUE:Online Due to the ongoing COVID-19 pandemic, the original program has been canceled. However, the meeting will be conducted through online lectures
From playlist Recent Developments in S-matrix Theory (Online)
Intersection of Planes on Geogebra
In this video, we look at a strategy for finding the intersection of planes on Geogebra.
From playlist Geogebra
PRIVÉ - Takuro Mochizuki - Mixed twistor D-modules and some examples
Abstract: In the study of mixed twistor D-modules, an important issue is to relate mixed twistor D-modules with concrete objects in various problems. Although we know that there exist many mixed twistor D-modules by an abstract existence theorem and by the functoriality, it is not easy to
From playlist Algebraic Analysis in honor of Masaki Kashiwara's 70th birthday
Double soft theorems in generalized bi-adjoint scalars by Arnab Priya Saha
RECENT DEVELOPMENTS IN S-MATRIX THEORY (ONLINE) ORGANIZERS: Alok Laddha, Song He and Yu-tin Huang DATE: 20 July 2020 to 31 July 2020 VENUE:Online Due to the ongoing COVID-19 pandemic, the original program has been canceled. However, the meeting will be conducted through online lectures
From playlist Recent Developments in S-matrix Theory (Online)
Scattering Amplitudes and Clusterhedra in Kinematic Space (Lecture 1) by Nima Arkani Hamed
RECENT DEVELOPMENTS IN S-MATRIX THEORY (ONLINE) ORGANIZERS: Alok Laddha, Song He and Yu-tin Huang DATE: 20 July 2020 to 31 July 2020 VENUE:Online Due to the ongoing COVID-19 pandemic, the original program has been canceled. However, the meeting will be conducted through online lectures
From playlist Recent Developments in S-matrix Theory (Online)
Soft theorem and its classical limit (Lecture 1) by Ashoke Sen
PROGRAM RECENT DEVELOPMENTS IN S-MATRIX THEORY (ONLINE) ORGANIZERS: Alok Laddha, Song He and Yu-tin Huang DATE: 20 July 2020 to 31 July 2020 VENUE: Online Due to the ongoing COVID-19 pandemic, the original program has been canceled. However, the meeting will be conducted through onlin
From playlist Recent Developments in S-matrix Theory (Online)
Scattering Amplitudes and Positive Geometries at Infinity (Lecture 3) by Nima Arkani-Hamed
RECENT DEVELOPMENTS IN S-MATRIX THEORY (ONLINE) ORGANIZERS: Alok Laddha, Song He and Yu-tin Huang DATE: 20 July 2020 to 31 July 2020 VENUE:Online Due to the ongoing COVID-19 pandemic, the original program has been canceled. However, the meeting will be conducted through online lectures
From playlist Recent Developments in S-matrix Theory (Online)
Scattering Amplitudes and Positive Geometries at Infinity (Lecture 2) by Nima Arkani-Hamed
RECENT DEVELOPMENTS IN S-MATRIX THEORY (ONLINE) ORGANIZERS: Alok Laddha, Song He and Yu-tin Huang DATE: 20 July 2020 to 31 July 2020 VENUE:Online Due to the ongoing COVID-19 pandemic, the original program has been canceled. However, the meeting will be conducted through online lectures
From playlist Recent Developments in S-matrix Theory (Online)
New asymptotic conservation laws for electromagnetism by Sayali Bhatkar
PROGRAM RECENT DEVELOPMENTS IN S-MATRIX THEORY (ONLINE) ORGANIZERS: Alok Laddha, Song He and Yu-tin Huang DATE: 20 July 2020 to 31 July 2020 VENUE:Online Due to the ongoing COVID-19 pandemic, the original program has been canceled. However, the meeting will be conducted through online
From playlist Recent Developments in S-matrix Theory (Online)
Calculus 3: Vector Calculus in 2D (17 of 39) What is the Position Vector?
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain what is the position vector. The position vector indicates the position of a particle relative to the origin. The position usually depends on, or is a function of, a parametric variable (ex. t
From playlist CALCULUS 3 CH 3 VECTOR CALCULUS