arm
46:48Why Vertical Farming Won't Save the Planet
244K views • 11 years ago
Utah State University Extension
Utah State plant scientist Bruce Bugbee presents his analysis of the energy and environmental costs of vertical and indoor farming. He argues artificial lighting cannot compete with sunlight in fields or greenhouses.
1:12:19Kursk: The Epic Armored Engagement (2013)
535K views • 12 years ago
The National WWII Museum
A panel at The National WWII Museum on the Battle of Kursk, moderated by Keith Huxen with historians Robert Citino and John Parshal. The discussion covers the armored engagement and the German, Soviet and US approaches to tank production.
1:21:22Light Years Ahead | The 1969 Apollo Guidance Computer
2.8M views • 6 years ago
TNMoC
Robert Wills of TNMoC explains the Apollo Guidance Computer hardware and software, then walks through the Apollo 11 landing procedure step by step, including the 1202 alarms.
Topic match · Computer architecture & CPUs
32:21Turning Photons Into Food
97K views • 7 years ago
Apogee Instruments Inc.
Dr. Bruce Bugbee walks through the calculations for crop yield potential when light is the limiting factor, from photosynthetic quantum yield through respiration efficiency and harvest index, using the Energy Cascade Model.
Topic match · Environment, agriculture & food systems
1:31:53Gwynne Dyer -- Geopolitics in a Hotter World
82K views • 16 years ago
The University of British Columbia
Historian and journalist Gwynne Dyer gives a long UBC talk on how climate change will reshape international politics. He covers food, borders, refugees and the possibility of unilateral geoengineering by affected nations.
Topic match · Climate policy, solutions & debate
9:18The Most IMPORTANT Video You'll Ever See (part 1 of 8)
5.4M views • 19 years ago
wonderingmind42
Part 1 of a lecture by physicist Albert Bartlett on the exponential function and its consequences for population growth, resource use and energy. It argues that steady growth rates quickly lead to enormous quantities.
Topic match · Environment, agriculture & food systems
44:19Hamming, "You and Your Research" (June 6, 1995)
368K views • 14 years ago
securitylectures
Richard Hamming's 1995 recording of his talk 'You and Your Research', drawn from his graduate engineering course. He discusses how great scientists pick important problems and build careers, drawing on his years at Bell Labs.
Topic match · Tech pioneers & interviews
1:15:47Richard Feynman Computer Science Lecture - Hardware, Software and Heuristics
978K views • 14 years ago
Muon Ray
A lecture by Richard Feynman on how computers work, using the analogy of a filing clerk that becomes progressively dumber and faster. It also covers heuristics and how computers handle data and solve problems in finite time.
Topic match · Computer architecture & CPUs
2:50:14Simple Code, High Performance
463K views • 5 years ago
Molly Rocket
Casey Muratori's University of Twente guest lecture is a case study in how straightforward code can cut thousands of lines and tens of seconds of runtime down to a few dozen lines running in under a second. It uses concrete examples to show why software is often an order of magnitude slower than it should be.
Topic match · Computer architecture & CPUs
58:02How to Invent the Future I - Stanford CS183F: Startup School
40K views • 9 years ago
Stanford Online
Alan Kay's Stanford Startup School lecture covers his career at Xerox PARC and how to think about inventing the future. He goes through what came out of PARC and why companies fail to capitalize on such ideas.
Topic match · Tech pioneers & interviews
1:27:10Jancovici : Can we save energy, jobs and growth at the same time ? 08/01/2018
46K views • 8 years ago
Jean-Marc Jancovici
Jean-Marc Jancovici lectures at ENS Paris on whether energy use, jobs and growth can all be preserved. He argues for a physical approach to economics, since resource depletion and climate limits make perpetual GDP growth unrealistic.
Topic match · Climate policy, solutions & debate
56:30How to Invent the Future II - Stanford CS183F: Startup School
26K views • 9 years ago
Stanford Online
Part two of Alan Kay's Stanford Startup School lecture on inventing the future. He draws on his time at Xerox PARC and elsewhere to discuss how to think about new technology and what makes ideas useful.
Topic match · Tech pioneers & interviews
1:14:46Arithmetic, Population and Energy - a talk by Al Bartlett
201K views • 13 years ago
lXlSalemlXl
Physicist Al Bartlett's well-known lecture on the arithmetic of exponential growth, applied to population, energy consumption and resource depletion. He argues that steady percentage growth cannot be sustained on a finite planet and that most public discussion ignores this.
Topic match · Environment, agriculture & food systems
2:04Admiral Grace Hopper Explains the Nanosecond
163K views • 14 years ago
funbury
Admiral Grace Hopper holds up a length of wire to show how far light travels in a nanosecond, about 11.8 inches. She explains how she made the idea concrete to people who could not picture a billionth of a second.
Topic match · Computer architecture & CPUs
1:14:16Exponential Growth Arithmetic, Population and Energy, Dr. Albert A. Bartlett
84K views • 11 years ago
Hiroob
A recording of physicist Albert Bartlett's well-known lecture on the arithmetic of exponential growth, applied to population and energy use. He argues that steady percentage growth in a finite world cannot continue and sneaks up suddenly.
Topic match · Environment, agriculture & food systems
40:12Immediate-Mode Graphical User Interfaces - 2005
150K views • 10 years ago
Casey Muratori
Casey Muratori's 2005 video introducing immediate-mode GUIs as an alternative to retained widget toolkits. He explains the motivation and shows minimal-state button logic.
Topic match · Game programming & engines
1:03:31How to Enjoy the End of the World
167K views • 7 years ago
Sid Smith
A Virginia Tech presentation by Sid Smith about collapse, fossil fuels and overshoot, arguing that industrial civilization faces a decline and how one might live with that. It was later expanded into a video series.
Topic match · Climate policy, solutions & debate
34:10Anders Hejlsberg on Modern Compiler Construction
25K views • 9 years ago
Kasper
Anders Hejlsberg whiteboards how compilers are taught versus how modern ones are actually built. He explains the shift to compilers as services with incremental, error-tolerant, IDE-oriented design, as in Roslyn and TypeScript.
Topic match · Tech pioneers & interviews
1:19:38John Hennessy and David Patterson 2017 ACM A.M. Turing Award Lecture
150K views • 8 years ago
Association for Computing Machinery (ACM)
Hennessy and Patterson's 2018 Turing Award lecture at ISCA, A New Golden Age for Computer Architecture. It covers domain-specific hardware, security, open instruction sets and agile chip development.
Topic match · Computer architecture & CPUs
1:48:56"Energy Revolution? More like a Crawl" - Dr. Vaclav Smil
59K views • 11 years ago
Trottier Institute for Sustainability in Engineering and Design
Energy scholar Vaclav Smil argues that global energy transitions are slow and that renewable targets should not rest on wishful thinking. He appraises how energy dependencies are likely to change and asks for using much less.
Topic match · Climate policy, solutions & debate
1:05:45Donald B. Gillies Lecture: Dr. Michael Stonebraker
14K views • 8 years ago
Siebel School of Computing and Data Science
Turing Award winner Michael Stonebraker gives the 2018 Donald B. Gillies Memorial Lecture at Illinois. He discusses the gap between academic research and industry problems, publishing incentives, and the influence of large industry users on research.
Topic match · Tech pioneers & interviews
1:44:09The "Last Lecture" by Randy Pausch
1.1M views • 15 years ago
Gabriel Robins
Randy Pausch, a Carnegie Mellon computer scientist and virtual reality pioneer who was dying of cancer, gives his 'Last Lecture' about achieving childhood dreams and living well. The recording is a full-length talk of about 104 minutes.
Topic match · Tech pioneers & interviews
1:31:28Stanford Seminar: Beyond Floating Point: Next Generation Computer Arithmetic
33K views • 9 years ago
Stanford Online
John Gustafson presents posits, a proposed drop-in replacement for IEEE 754 floats that is simpler in hardware and more flexible in precision. The seminar includes a live demo and machine learning results.
Topic match · Computer architecture & CPUs
1:14:16Arithmetic, Population and Energy - FULL LENGTH
191K views • 14 years ago
kip399
Physicist Albert Bartlett's full-length lecture on how steady exponential growth in population and energy use collides with finite resources. It uses examples like bacteria in a bottle and covers peak oil.
Topic match · Climate policy, solutions & debate
1:10:03Stanford Seminar - Generalized Reversible Computing and the Unconventional Computing Landscape
16K views • 9 years ago
Stanford Online
A Stanford EE380 seminar by Michael P. Frank of Sandia National Laboratories on generalized reversible computing. It surveys unconventional computing approaches as transistor scaling nears its limits and energy efficiency stops improving.
Topic match · Computer architecture & CPUs
1:00:06Computer Science - Brian Kernighan on successful language design
332K views • 10 years ago
University of Nottingham
Brian Kernighan gives a talk at the University of Nottingham on how to succeed in language design without really trying. He draws on his experience with awk and other languages.
Topic match · Tech pioneers & interviews
55:50Dan Britt - Orbits and Ice Ages: The History of Climate
883K views • 14 years ago
TheIHMC
Dan Britt lectures on the history of climate, covering orbital cycles, ice ages and conditions millions of years ago. It frames current climate debate with deep-time context.
Topic match · Climate science & climate change
2:41:18Seminar with Alan Kay on Object Oriented Programming (VPRI 0246)
31K views • 8 years ago
Yoshiki Ohshima (大島芳樹)
A long recorded seminar in which Alan Kay discusses object-oriented programming, probably from the mid-1980s. He covers the original idea of objects, messaging and the work done at Xerox.
Topic match · Tech pioneers & interviews
1:10:58Trends in Deep Learning Hardware: Bill Dally (NVIDIA)
32K views • 2 years ago
Paul G. Allen School
Bill Dally of NVIDIA gives a University of Washington lecture on trends in deep learning hardware. It covers numeric formats, specialized instructions, energy per operation and co-design of hardware and software.
Topic match · Computer architecture & CPUs
48:40Capt. Grace Hopper on Future Possibilities: Data, Hardware, Software, and People (Part One, 1982)
179K views • 2 years ago
National Security Agency
Part one of Capt. Grace Hopper's 1982 NSA lecture on the future of data, hardware, software and people. It includes her humor, her nanosecond demonstration and views on scaling and resisting old ways of doing things.
Topic match · Tech pioneers & interviews
1:05:35CS50 Lecture by Mark Zuckerberg - 7 December 2005
9.5M views • 12 years ago
CS50
A December 2005 guest lecture by Mark Zuckerberg in Harvard's CS50, discussing Facebook's early days, its technical choices and computer science. It captures him as a 21-year-old founder before Facebook's rise.
Topic match · Tech pioneers & interviews
1:20:35Anton: A Special-Purpose Machine That Achieves a Hundred-Fold Speedup in Biomolecular Simulations
12K views • 14 years ago
NC State
David Shaw of D. E. Shaw Research presents Anton, a special-purpose machine that speeds up biomolecular simulations about a hundred-fold. The lecture covers molecular dynamics and how simulation helps understand how drugs bind.
Topic match · Computer architecture & CPUs
2:02:18The Mill CPU Architecture – The Compiler (10 of 13)
12K views • 11 years ago
Mill Computing, Inc.
A long Mill Computing lecture on the Mill CPU's compiler toolchain, covering the specializer that targets family members, scheduling and latency passes, and the belt. It explains how the compiler handles a wide-issue, exposed-pipeline design.
Topic match · Computer architecture & CPUs
1:26:50The Mill CPU Architecture - the Belt (2 of 13)
38K views • 13 years ago
Mill Computing, Inc.
The second talk in the Mill CPU series by Mill Computing, covering the Belt, the Mill's operand-passing model that replaces general registers. It explains the cost of register renaming in conventional wide CPUs and how the Belt reaches high instruction-level parallelism.
Topic match · Computer architecture & CPUs
1:25:57Grace Hopper Lecture
68K views • 9 years ago
MIT Lincoln Laboratory
A lecture by Commodore Grace Hopper on the future of computing, posted by MIT Lincoln Laboratory. It includes her well-known nanosecond wire demonstration and humorous comparisons of device latencies.
Topic match · Tech pioneers & interviews
2:32:291 - L'énergie - Cours des Mines 2019 - Jancovici - [EN subtitles available]
1.1M views • 7 years ago
Jean-Marc Jancovici
Part 1 of Jean-Marc Jancovici's 2019 course at Ecole des Mines de Paris, on energy and its central role in the economy and climate. It is in French with English subtitles available and runs about two and a half hours.
Topic match · Climate science & climate change
1:45:38The Unanswered Question 1973 1 Musical Phonology Bernstein Norton
742K views • 12 years ago
cagin
Leonard Bernstein's 1973 Norton Lectures at Harvard, starting with Musical Phonology. He draws analogies between music and linguistics, including references to Chomsky.
58:51DON'T PANIC — Hans Rosling showing the facts about population
3.3M views • 11 years ago
Gapminder Foundation
Hans Rosling uses data and animated statistics to show how world population is changing, why birth rates fall as child survival and wealth rise, and why population is expected to peak around 11 billion. It also tackles common misconceptions about Africa and family planning.
1:27:44"Why Zebras Don't Get Ulcers: Stress and Health" by Dr. Robert Sapolsky
1.1M views • 9 years ago
Beckman Institute at Illinois
Robert Sapolsky's lecture on how the body's stress response, evolved for short-term physical emergencies, harms long-term health when triggered by psychological stressors. It was given as the inaugural Fenton-Rhodes Lecture.
4:37Kurt Vonnegut on the Shapes of Stories
2.2M views • 16 years ago
David Comberg
A short lecture in which Kurt Vonnegut graphs the simple shapes of stories, such as Man in Hole and Boy Gets Girl. He sketches how fortune rises and falls over a narrative.