![Ranked #185 - 4960 votes - 178 star points](https://videosift.com/cdm/stars/00100.png)
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![Ranked #185 - 4960 votes - 178 star points](https://videosift.com/cdm/stars/00100.png)
YouTube description: In 2015, what we knew about Iron Age shields all changed. And it changed in a field in Leicester... Iron Age Curator Sophia Adams explains the construction of the first organic... continue reading
posted by Aard Vark![Ranked #10 - 60212 votes - 2975 star points](https://videosift.com/cdm/stars/galaxy/oritteropo.png?v=5)
CHAPTERS 0:00 Intro 2:12 Smarter Alloys Tech 7:04 Testing One Nitinol Claw 9:10 Building Self-Healing Claws! 11:21 Testing testing! 14:19 Self Healing Before Your Eyes 14:36 Outro
posted by newtboy![Ranked #15 - 49273 votes - 2220 star points](https://videosift.com/cdm/stars/galaxy/newtboy.png?v=5)
Metals have a crystal structure. But they're not one big crystal, they're lots of small crystals called grains. The size of the grains affects the physical properties of the metal, like hardness, toughness,... continue reading
posted by newtboy![Ranked #15 - 49273 votes - 2220 star points](https://videosift.com/cdm/stars/galaxy/newtboy.png?v=5)
![Ranked #3 - 134371 votes - 3047 star points](https://videosift.com/cdm/stars/galaxy/eric3579.png?v=5)
From Youtube, "What started as a simple desire for a better arc lighter got carried away and I ended up making the scariest device I've ever built. In this video I tested a plasma lighter and attempted... continue reading
posted by w1ndex![Ranked #121 - 8167 votes - 452 star points](https://videosift.com/cdm/stars/00250.png)
YouTube description: Why does shaken soda explode? Does ice melt first in fresh or salt water? This video features experiments that have been shown to me by science teachers over the years. Does... continue reading
posted by Aard Vark![Ranked #10 - 60212 votes - 2975 star points](https://videosift.com/cdm/stars/galaxy/oritteropo.png?v=5)
![Ranked #7 - 86313 votes - 3446 star points](https://videosift.com/cdm/stars/galaxy/mordhaus.png?v=5)
YouTube description: It's a terrible idea to try to extinguish burning metal with a water or CO2 fire extinguisher. Steve Mould shows why.
posted by Aard Vark![Ranked #10 - 60212 votes - 2975 star points](https://videosift.com/cdm/stars/galaxy/oritteropo.png?v=5)
Polyphonic explores the start of Metal rock, to several individual songs that could be considered the start, and one point where it couldn't be any later than.
posted by RFlagg![Ranked #42 - 21504 votes - 744 star points](https://videosift.com/cdm/stars/00500.png)
Chill out and watch this deadlocked bench vice get a complete restoration.
posted by Ashenkase![Ranked #259 - 3207 votes - 121 star points](https://videosift.com/cdm/stars/00100.png)
YouTube description: Their skeletons are prized by beachcombers, but sand dollars look way different in their lives beneath the waves. Covered in thousands of purple spines, they have a bizarre diet... continue reading
posted by Aard Vark![Ranked #10 - 60212 votes - 2975 star points](https://videosift.com/cdm/stars/galaxy/oritteropo.png?v=5)
In this video, Tim demonstrates a variety of Lenz's Law demonstrations. At its simplest, you can just drop a magnet down a metal tube, maybe made of copper or aluminium, and be surprised at how slowly... continue reading
posted by Mordhaus![Ranked #7 - 86313 votes - 3446 star points](https://videosift.com/cdm/stars/galaxy/mordhaus.png?v=5)
YouTube description: A metal alloy spoon melts in tea. Featuring Professor Sir Martyn Poliakoff and Senior Technician Neil Barnes. Why not use Gallium? Well - besides the fact it's not what we... continue reading
posted by Aard Vark![Ranked #10 - 60212 votes - 2975 star points](https://videosift.com/cdm/stars/galaxy/oritteropo.png?v=5)
Police in West Midlands, UK have released footage of criminals stealing a car by relaying a signal from the key inside the home, to the car in the driveway. Source: CNNMoney I've always wondered... continue reading
posted by b4rringt0n![Ranked #236 - 3740 votes - 147 star points](https://videosift.com/cdm/stars/00100.png)
YouTube description: Recording music on 100-year-old wax cylinder recording equipment. Next week we put a metal band in front of it! Here are the full takes of Short Song: https://youtu.be/_sn7KyLHfr0 ... continue reading
posted by Aard Vark![Ranked #10 - 60212 votes - 2975 star points](https://videosift.com/cdm/stars/galaxy/oritteropo.png?v=5)
YouTube description: What happens when you reinterpret heavy metal classics through the lens of mariachi musicians? Introducing: Metalachi—the first and only heavy metal mariachi band in the world.... continue reading
posted by Aard Vark![Ranked #10 - 60212 votes - 2975 star points](https://videosift.com/cdm/stars/galaxy/oritteropo.png?v=5)
I built a natural draft furnace to test ideas about how hot a furnace could get without the use of bellows. Natural draft is the flow of air through a furnace due to rising hot air. The hot gasses in the... continue reading
posted by Mordhaus![Ranked #7 - 86313 votes - 3446 star points](https://videosift.com/cdm/stars/galaxy/mordhaus.png?v=5)
I made a brick mold that makes bricks 25 x 12.5 x 7.5 cm from wood. A log was split and mortise and tenon joints were carved using a stone chisel and sharp rocks. The mold was lashed together with cane... continue reading
posted by Mordhaus![Ranked #7 - 86313 votes - 3446 star points](https://videosift.com/cdm/stars/galaxy/mordhaus.png?v=5)
YouTube: In the 1950s, the people of Minamata, Japan started seeing strange behavior from the local cats, and it wasn't long before humans were showing the same symptoms.
posted by PlayhousePals![Ranked #5 - 99706 votes - 4012 star points](https://videosift.com/cdm/stars/galaxy/playhousepals.png?v=5)