0 Views · 3 months ago

The green screen is a Hollywood staple. Should it be?

It’s easy to complain about overreliance on special effects, but for projects that require impossible-to-film environments or have incredibly expensive shots, how do you get the flexibility of green screens without the drawbacks?

Charmaine Chan has worked on one of the possible answers. Vox's Phil Edwards spoke to her about her career and how it's at the forefront of a big technological shift. As a compositor for venerable effects house Industrial Light and Magic (ILM), she’s worked on films like The Last Jedi, assembling various digital elements into a beautiful, seamless image. Her job changed on The Mandalorian, one of the first shows to use ILM’s upgrade for the green screen: LED panels that used video game engine technology to place a realistic-looking world behind the actors.

It was a huge improvement, because green screens actually have a lot of drawbacks. Removing the green screen is never as quick as visual effects artists would hope. It also casts green light upon the set and actors. Even substitutes for a green screen, like projecting an image onto a screen behind the actor, fail to dynamically respond to camera movements the way they would in the real world.

ILM’s solution fixes a lot of those problems, and it also led to creative breakthroughs in which the old Hollywood order of a TV show or movie, in which VFX came last, was suddenly reversed. Now, artists like Charmaine are alongside actors, set designers, and other crew members during filming. That collaboration means that this technology doesn’t just eliminate a screen — it eliminates a creative barrier.

Watch the above video to see how it happens.

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0 Views · 3 months ago

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0 Views · 3 months ago

0:00 Intro
1:14 Fluoride-ion battery
It can potentially offer 1200-1500 miles of range (with Solid-State electrolyte) and it becomes possible to make affordable mass electric cars with 620 miles of range.
3:50 Structural battery
Structural or Massless battery by Chalmers University
6:21 Bodyshell as energy storage
By Lamborghini and MIT
7:44 Sodium-ion battery
By CATL (Na-ion battery)
10:51 100-year Battery
100 Year or 4-mln mile battery By Jeff Dahn & TeslaRepresenting 5 Amazing New Battery

0 Views · 3 months ago

The history of mankind is quite impressive. We have come a long way but it’s undeniable that the ancient civilizations that existed before us are all brilliant and amazing. They’ve built many incredible things and some of their inventions were far too advanced for their time. Archeologists and historians can easily explain most of the ancient inventions but there’s still a plethora of mysteries and questions out there. Most of the time, people attribute unexplainable things to extraterrestrial beings, but maybe it’s about time we give our ancestors more credit. From the Damascus Steel to the Ancient Flying Machine, here are 15 oldest technologies that scientists can’t explain.

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0 Views · 3 months ago

Go to to get Tab for a Cause and help raise money for charity. For free!

I just think technology (especially the internet) is pretty cool, and I wanted to talk about that. Thanks for watching! :D

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0 Views · 3 months ago

Bowling has been reinvented many times over the past seven thousand years but especially in the last 30. This is the fascinating physics of balls, oil, lane and pins. A portion of this video was sponsored by Salesforce. Go to to learn more.

Huge thanks to Steve Kloempken and all of Storm Bowling for letting us visit and get a glimpse into the crazy world of bowling.
Huge thanks to legends Chris Barnes and Pete Weber for taking the time to bowl with us.
Huge thanks to Creative Electron for their help with getting the bowling balls X-rayed. Check out their work here:
Thanks to Ron Hatfield and James Freeman for their help with research. Check out their great book, Bowling Beyond the Basics:
Thanks to the United States Bowling Congress (USBC) and Professional Bowlers Association (PBA) for their help with accessing archival data and footage.
Special thanks to Rod Cross for physics consultation.
Thanks to Bill Guszczo for giving us the idea to make this video in the first place.

Freeman, James, and Ron Hatfield. Bowling beyond the Basics: What's Really Happening on the Lanes, and What You Can Do about It. BowlSmart, 2018. --
N. Stremmel, P. Ridenour and S. Sterbenz. “Identifying the Critical Factors That Contribute to Bowling Ball Motion on a Bowling Lane.” United States Bowling Congress, 2008. --
USBC Equipment Specifications and Certification Team. “Ball Motion Study: Phase I and II Final Report.” United States Bowling Congress, 2008. --
Brettingen, Patrick, and Nicki Mours. “USBC static weight limits remain relevant.” United States Bowling Congress, 2011. --
Article on lane oil origins --
Luna, Richard. “Bruce Pluckhahn says there's a little bit of bowling…” United Press International Archives, 1984. --
Johnson, Brody D. “The Physics of Bowling: How good bowlers stay off the straight and narrow.” St. Louis University. --
Talamo, Jim. “The Physics of Bowling Balls.” --
Thompson, Ted. “Breakdown and Carrydown - Then and Now.” Kegel. 2012. --
Frohlich, Cliff. “What Makes Bowling Balls Hook?” American Journal of Physics, vol. 72, no. 9, 2004, pp. 1170–1177., --
Article on bowling’s ranking in participatory sports --
Speranza, Dan, and Dave Nestor. “Initial Oil Absorption Results.” United States Bowling Congress, 2016. --
D. Benner, N. Mours, and P. Ridenour. “Pin Carry Study: Bowl Expo 2009.” United States Bowling Congress, 2009. --
Hopkins, D. C., and J. D. Patterson. “Bowling Frames: Paths of a Bowling Ball.” American Journal of Physics, vol. 45, no. 3, 1977, pp. 263–266., --
Normani, Franco. “The Physics of Bowling.” Real World Physics Problems. --
Horaczek, Stan. “The insides of pro bowling balls will make your head spin.” Popular Science, 2020. --
House shot oil pattern -- Licensed under Creative Commons: By Attribution 4.0.

Special thanks to Patreon supporters: Andrew, Diffbot, Micah Mangione, MJP, Gnare, Nick DiCandilo, Dave Kircher, Edward Larsen, Burt Humburg, Blake Byers, Dumky, Evgeny Skvortsov, Meekay, Bill Linder, Paul Peijzel, Mac Malkawi, Michael Schneider, Big Badaboom, Ludovic Robillard, Jim buckmaster, fanime96, Juan Benet, Ruslan Khroma, Robert Blum, Richard Sundvall, Lee Redden, Vincent, Marinus Kuivenhoven, Alfred Wallace, Clayton Greenwell, Michael Krugman, Cy 'kkm' K'Nelson, Sam Lutfi, Ron Neal

Written by Derek Muller and Emily Zhang
Animations by Mike Radjabov and Ivy Tello
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SFX by Shaun Clifford
Additional video supplied by Getty Images
Music from Epidemic Sounds
Produced by Derek Muller, Petr Lebedev, and Emily Zhang

0 Views · 3 months ago

Evolution of NFL Broadcast: From Yellow Line to Sky-Cam Innovations!

00:00 - Intro
01:28 - First Ever NFL Broadcasts
02:41- Replay
06:54 - Monday Night Football
07:37- Score Bug
10:50 - First Down Line
21:08 - High Definition
24:03 - Eyevision
26:12 - Skycam
35:10 - Enhanced Audio
45:52 - Pylon Camera
53:49 - Enhanced Augmented Reality
59:33 - Nickelodeon Broadcast
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0 Views · 3 months ago

Educational video for children to learn technology vocabulary. Thanks to this video, they will discover technology words like computer, laptop, monitor, mouse, speakers, webcam, keyboard, microphone, printer, scanner and flash drive. At then of the video, the little ones will recap everything they learned. Excellent resource for preschool education.

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0 Views · 3 months ago

Part 2:
Part 3:
An investigation into the evidence for ancient high technology found across the world. We look into the evidence for machining and advanced methods of shaping and polishing stone, as well as the varying levels of technology found on ancient sites and artifacts.
I spend a bit of time explaining the context around the claim for ancient high technology, as well as address the mainstream attachment to the 'status quo' story of history.

In part 2 (coming soon) we'll get into logistics and construction methodologies, and take a deep dive into the evidence for advanced precision in ancient artifacts both big and small, and I'll give my opinions on what I think it is that we're really looking at when we seen these types of objects.

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Cataclysms of the Ice Age:
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0 Views · 3 months ago

Just like the movies in a theater!
Links 'n' stuff:
The Engineer Guy did a fantastic explainer on the mechanism of film projectors - much deeper than I went as I was focused mainly on sound. Check it out if you want to learn more!

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0 Views · 3 months ago

Ancient tech was a lot more advanced - and a lot stranger - than you might know. Check out today's insane new video to find out about some of the craziest ancient inventions scientists STILL can’t explain!


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0 Views · 3 months ago


1) Volvo CE ZEUX (Preview)

2) Fybots Warehouse (Preview)

3) Robomart

4) Max AI®


6) Priva Kompano

7) SEIT500


10) On-Grid Robotic Pick
10.1 Dorabot

11) Autonomous Security Robot

12) ClearBot

13) AgXeed Agbot 2.055W4

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01:11 - SEIT-UV
02:12 - Volvo CE ZEUX
03:13 - ClearBot
04:12 - Fybots Warehouse
05:09 - Robomart
06:07 - Max AI®
07:10 - ENWAY
08:03 - Priva Kompano
09:00 - On-Grid Robotic Pick
10:06 - Dorabot
11:01 - Autonomous Security Robot
12:11 - AgXeed Agbot 2.055W4

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0 Views · 3 months ago

Where are the limits of human technology? And can we somehow avoid them? This is where quantum computers become very interesting.

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Quantum Computers Explained – Limits of Human Technology

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0 Views · 3 months ago

▶ Visit to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription

Sandpaper belongs to a class of abrasive products known as coated abrasives. These products are composed of an abrasive element bonded to a backing material such as paper, fabrics, rubber, metals or resins and they generally possess some degree of flexibility. King Solomon is mentioned to have used a mysterious worm or an abrasive substance called the Shamir that had the power to cut through or disintegrate stone, iron and diamond. In the 13th century, Chinese craftsmen were known to bond sand, crushed shells and sharp seeds onto parchment with natural gum. Other notable natural substances that have been used as abrasive tools include Shark skin, Coelacanth scales, and boiled and dried rough horsetail plan.

After mastering the process, Oakley would go on to found John Oakey & Sons Limited in 1833 with the goal of mechanizing the process and within a decade Oakley had not only developed new adhesive techniques and manufacturing techniques that enabled the mass production of sandpaper but also created the first glass based coated abrasives. These products used small grains of ground-up glass or garnet called frit that are far more durable than sand, and also retain a sharp-edged structure as it wears down, producing a longer lasting abrasive cutting action. An initial attempt of producing their own grinding wheels was met with little success so the company, now branded as 3M soon transitioned into the coated abrasives industry. 3M’s initial venture into the market using natural abrasives was still plagued with quality issues and its reputation began to suffer.

Three-M-ite was a cloth backed coated abrasive that relied on a new class of synthetic abrasives. These abrasives were a direct result of the advent of electric furnace technology that allowed a combination of base materials to be fused by heating them to temperatures above 2000°C or 3600°F, forming new crystal structures with favorable abrasive properties .

In 1921, the company introduced the world’s first water-resistant coated abrasive called Wetordry. When bonded to a waterproof paper backing and used with water, silicon carbide sandpaper dramatically enhanced many of the key properties that define the effectiveness of a coated abrasive.

The effectiveness of this action is highly dependent on the shape of the abrasive grain, with sharper edges producing more localized pressure at the interface points of both materials. The durability of a sandpaper is primarily determined by the relative hardness between the abrasive and the work material, the adhesion properties and size of the abrasive grain or grit size, and its ability to resist loading, where ejected material is trapped between the grains.

Alumina-Zirconia is an incredibly tough and hard abrasive that offers nearly twice the performance of aluminum oxide in both efficiency and durability. It was also relatively easy to mass manufacture and quickly became a popular choice for metal working abrasive products.

In the early 1980’s, a revolutionary process that would dramatically improve abrasive performance would be introduced by 3M with the industry's first steps into nanotechnology. This new class of ceramic nanoparticle abrasives are produced using a method called the sol-gel process. This new abrasive became the foundation of their new Cubitron product line, and it would soon gain wide acceptance in the metalworking industry both in coated product form and as bonded grinding tooling.

In both synthetic and natural grain abrasives, the inconsistent particle shape of crushed grain creates inconsistent grinding and plowing action on the workpiece. These first trials in shape manipulation initially produced a coarsely shaped repeating pyramid mineral that was initially introduced in 1992 as a low grit metalworking aluminum oxide based product called 3M Trizact. By the turn of the century, 3M would introduce a new class of product line based on precision grain shape or PSG technology.

In this process a casting film is used to roll a microstructure onto a wet uncured abrasive gel coating. As this occurs a combination of UV light and heat is applied under the roller’s pressure, curing the abrasive in its designed structure. Microreplication would first be used to further refine the Trizact product line. Cubitron II utilized a unique standing ceramic aluminum oxide triangle microstructure that not only had an extremely sharp tip that would cut through the work material instead of plowing through it , but by design, would fracture to produce a new sharp edge as it wore, effectively becoming a self sharpening grain.


0 Views · 3 months ago

Primitive Technology: Cane Water Filter/Siphon
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About This Video:
I made a water filter from cane that siphons clean water from a dirty water while simultaneously using the xylem present in the the cane as a filter. MIT engineers had already proved that pine branches can be used as water filters as the thin membranes connecting the straw like xylem filter out 99% of bacteria such as E.coli which make water unsafe to drink ( ). Taking this concept, I used a type of cane in the forest and bent them into hook shapes, tying them in place with vine. Then I put dirty water into a raised pot and siphoned clean water from it into a lower collection pot. Initially some sap comes (which is also harmless to drink) out but then water flows through the stem. It does take a while for it to work but the process can be sped up by adding multiple canes working in parallel. The water that came through is clean and I was able to drink it without ill effect. After a few days the canes clog up and need replacing though one cane lasted longer than the others for some reason. Also in this video, I test the effectiveness of filtering water through a clay pot submerged in a creek, the ceramic walls acting as a filter for the creek water. Both methods seem to work but the clay pot method is more useable and needs less maintenance. But, the cane siphon would be better if no clay pots were available, simply filtering water from a puddle into a lower collection container such as a folded leaf.

00:00- Making filter/siphon
02:12- Using filter/siphon
03:53- Alternative pot filter

About Primitive Technology:
Primitive technology is a hobby where you build things in the wild completely from scratch using no modern tools or materials. These are the strict rules: If you want a fire, use a fire stick - An axe, pick up a stone and shape it - A hut, build one from trees, mud, rocks etc. The challenge is seeing how far you can go without utilizing modern technology. I do not live in the wild, but enjoy building shelter, tools, and more, only utilizing natural materials. To find specific videos, visit my playlist tab for building videos focused on pyrotechnology, shelter, weapons, food & agriculture, tools & machines, and weaving & fiber.

#PrimitiveTechnology #waterfilter #survival

0 Views · 3 months ago

GT Special ►

1) EconoGrid40™ (Preview)

2) Roof tiles (Preview)

3) Geoplast New Elevetor (Preview)

4) Dincel

5) Insulfoam Geofoam
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6) Ferradix

7) Bumpa Hoist

8) ETH Zurich Spatial Timber Assemblies


10) TyBot

11) Depron® insulation


00:00 - Dincel
01:23 - ETH Zurich Spatial Timber Assemblies
02:22 - TyBot
03:18 - Geoplast New Elevetor
04:20 - Insulfoam Geofoam
05:21 - Ferradix
06:17 - Bumpa Hoist
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08:18 - Depron® insulation
09:18 - HECK AERO iP
10:16 - EconoGrid40™
11:11 - Roof tiles

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0 Views · 3 months ago

"Bloomberg Technology" is our daily news program focused exclusively on technology, innovation and the future of business hosted by Ed Ludlow from San Francisco and Caroline Hyde in New York.

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0 Views · 3 months ago

The future is here and it’s about to start getting insane. Technological development in recent years has been pretty crazy - just think about what a smart phone can do now compared to one of those huge bricks from the 1980s. Or even how far we’ve come since playing Snake on our Nokias back in the early 2000s. But it’s not just smart phones that are changing, new tech is going to completely change our lives in ways you could barely imagine. From the new brand of virtual glasses to the satellite launcher that changes everything, here’s 20 Emerging Technologies That Will Change Our World

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0 Views · 3 months ago

Mind Warehouse ►

1) Spyker Workshop CyberKAT (Preview)

2) Aeroecology «Mobile Headquarters» (Preview)

3) Zefhir

4) SRI Robotics AR Excavation

5) Trombia Free

6) SolarisFloat PROTEVS


8) Airwheel

9) SmartHEAL

10) GEA Grasso Screw Compressor (Preview)

11) SHIELD (Preview)

12) Amplla Hussechuck Shield


14) TaDa Сhair

00:00 - ZF sMOTION
00:57 - GEA Grasso Screw Compressor
01:54 - Zefhir
02:48 - SRI Robotics AR Excavation
03:49 - Trombia Free
04:45 - Amplla Hussechuck Shield
05:49 - TaDa Сhair
06:36 - SolarisFloat PROTEVS
07:33 - Airwheel
08:28 - SmartHEAL
09:21 - SHIELD
10:12 - ELVIS
11:01 - Spyker Workshop CyberKAT
11:48 - Aeroecology «Mobile Headquarters»

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0 Views · 3 months ago

Play Conflict of Nations for FREE on PC or Mobile:
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