In this video i demonstrate sound waves interference and standing waves from loudspeaker used sound sensor. The frequency on loudspeaker is about 5500Hz. Enjoy!!!
From playlist WAVES
Astronomy - Ch. 5: Light & E&M Radiation (6 of 30) Difference of E&M Frequence
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain the different frequencies of electromagnetic radiation.
From playlist ASTRONOMY 5 LIGHT AND RADIATION
skip to 3:50 if you are impatient.
From playlist NightHawkInLight Community Video Responses!
Physics 50 E&M Radiation (4 of 33) Frequency of E&M Radiation and Temperature
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain the relationship of an object (and it's temperature) and the kinds of E&M radiation emitted from the object. Next video in series: http://youtu.be/SCMK0UJH1p4
From playlist PHYSICS 50 ELECTROMAGNETIC RADIATION
Physics 20 Sound and Sound Waves (3 of 53) Velocity of Sound in Air
Visit http://ilectureonline.com for more math and science lectures! In this video I will show you how to find v=? of sound (in air) at various temperatures.
From playlist PHYSICS MECHANICS 5: WAVES, SOUND
What is the Cosmic Microwave Background Radiation? And what does it mean?
This video provides an overview of the accidental discovery and explanation of the cosmic microwave background radiation, the afterglow of the big bang. After reviewing the initial experimental work of Penzias and Wilson, a detailed account of the theoretical interpretation is presented, i
From playlist Cosmology
GRCon19 - RF System Synchronization - LO's by Dan Baker
RF System Synchronization - LO's by Dan Baker, Brian Avenell Multi-channel applications including MIMO, phased array RADAR, and direction finding require channel-to-channel phase and time synchronization. Phase synchronization implies having deterministic relative phase between all of the
From playlist GRCon 2019
25c3: RF fingerprinting of RFID
Speakers: cryptocrat, Boris Danev In the lecture portion of this workshop we will present an overview of existing and our own novel methods for hacking electronic passports and driver's licenses including novel radio frequency fingerprinting techniques. In the the hands-on section we wi
From playlist 25C3: Nothing to hide
GRCon20 - Software defined radio based Synthetic Aperture noise and OFDM (WiFi) RADAR mapping
Presented by Jean-Michel Friedt, and Weike Feng at GNU Radio Conference 2020 https://gnuradio.org/grcon20 Software defined radio based Synthetic Aperture noise and OFDM (WiFi) RADAR mapping (Main Track) [application] Session Chair: Jean-Michel Friedt, FEMTO-ST/Time & Frequency We demonst
From playlist GRCon 2020
MagLab User Summer School: The Physics of Noise and Musings of Experimental Errors
This video was recorded in 2016 at the National MagLab’s annual User Summer School, where early-career scientists learn from lab experts best practices for conducting experiments at the lab. For more information, please visit https://nationalmaglab.org/user-summer-school
From playlist User Summer School Talks
Observing Cosmic Dawn Through 21-cm Signal by Saurabh singh
PROGRAM LESS TRAVELLED PATH TO THE DARK UNIVERSE ORGANIZERS: Arka Banerjee (IISER Pune), Subinoy Das (IIA, Bangalore), Koushik Dutta (IISER, Kolkata), Raghavan Rangarajan (Ahmedabad University) and Vikram Rentala (IIT Bombay) DATE & TIME: 13 March 2023 to 24 March 2023 VENUE: Ramanujan
From playlist LESS TRAVELLED PATH TO THE DARK UNIVERSE
GRCon19 - Multichannel phase coherent transceiver system with GNU Radio... by Michael Hennerich
Multichannel phase coherent transceiver system with GNU Radio interface by Michael Hennerich Many applications need multiple channels of phase and frequency synchronization and coherency. Applications like Direction of Arrival (DOA) accuracy are directly related to the number of channels
From playlist GRCon 2019
Detection of B-mode Polarization at Degree Scales Using BICEP2 - J. Bock - March 20, 2014
Jamie Bock, Professor of Physics at Caltech and Senior Research Scientist at the Jet Propulsion Laboratory, presents results from the BICEP2 team on the first direct evidence of inflation and primordial gravitational waves. The team measured a B-mode polarization signal in the cosmic micr
From playlist Research & Science
This thing is -270°C and is EVERYWHERE
Download the PBS Video App: https://www.pbs.org/pbs-video-app/ The universe is microwaving itself. A mystery signal discovered in the 1960s led to a Nobel prize. In this video, Dianna explores one of the most mysterious discoveries in physics - a constant microwave signal that seemed to
From playlist Unique Astrophysics #BackToSchool
Reflections on BICEP2 - J. Bock - 5/17/2014
Workshop on Primordial Gravitational Waves and Cosmology (May 16 - 17, 2014) Learn more about this workshop: http://burkeinstitute.caltech.edu/workshops Produced in association with Caltech Academic Media Technologies. © 2014 California Institute of Technology
From playlist Walter Burke Institute for Theoretical Physics - Workshop on Primordial Gravitational Waves and Cosmology (May 16 - 17, 2014)
SAT math Q13 calculator allowed #shorts
The speed of a sound wave in air depends on the air temperature. The formula above shows the relationship between a, the speed of a sound wave, in feet per second, and t, the air temperature, in degrees Fahrenheit (ºF). Which of the following air temperatures will the speed of a sound wav
From playlist #shorts mathematicsonline