Self-replicating machines

Molecubes

Molecubes are a collection of modular robots created by Hod Lipson and from Cornell University. A molecube is made of two rotatable halves, one with the microprocessor which represents the intelligence behind the unit, and the other with a motor for rotating the joint. A group of the cubes can be connected into a variety of shapes. A robot constructed entirely of molecubes would be able to repair itself using extra cubes, and to create a copy of itself using the same number of cubes. Physical self-reproduction of both a three- and a four-module robot was demonstrated. Subsequent open-source development, with support from Microsoft Research and Festo, reduced size and weight of the molecubes. Additional molecube types were produced including: hinges, grippers, batteries, wheels, cameras and more. (Wikipedia).

Molecubes
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The Mole: Avogadro's Number and Stoichiometry

Yes, I know moles are adorable furry creatures. This is a different kind of mole! A numerical mole. And we need to understand them to be able to make predictions about reactions. Let Professor Dave take you through the finer points. Watch the whole General Chemistry playlist: http://bit.l

From playlist General Chemistry

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How big is a mole? (Not the animal, the other one.) - Daniel Dulek

View full lesson here: http://ed.ted.com/lessons/daniel-dulek-how-big-is-a-mole-not-the-animal-the-other-one The word "mole" suggests a small, furry burrowing animal to many. But in this lesson, we look at the concept of the mole in chemistry. Learn the incredible magnitude of the mole--

From playlist Even More TED-Ed Originals

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The Mole 1 - Introduction to the Mole

Craig Beals from Beals Science introduces the concept of the Mole in chemistry. The mole is a unit that is used to describe the number of representative particles in an object. One mole = 6.02 x 10^23. This number is often referred to as Avogadro's Number. Watch the video to learn about ho

From playlist Chemistry Help

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MOLE - a quick definition

A quick definition of the chemistry term "mole." Chem Fairy: Louise McCartney Director: Michael Harrison Written and Produced by Kimberly Hatch Harrison ♦♦♦♦♦♦♦♦♦♦ Ways to support our channel: ► Join our Patreon : https://www.patreon.com/socratica ► Make a one-time PayPal donation: ht

From playlist Chemistry glossary

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Introduction to Moles

This chemistry video tutorial provides an introduction to moles. It explains the concept of moles and how it relates to mass in grams by the molar mass of a compound. it also explains how moles relate to atoms and molecules through avogadro's number. New Chemistry Video Playlist: https:

From playlist New AP & General Chemistry Video Playlist

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Phylum Gastrotricha: Hairybellies

Gastrotrichs are odd little creatures that have cilia on their bellies. They are found all over the world, making up an important part of the meiofauna of various ecosystems. What's their anatomy? How do they reproduce? Let's learn all about these little critters! Script by Ryan Helcoski

From playlist Zoology

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Naked Mole Rats | World's Weirdest

With their giant teeth and nearly-hairless hides, these little critters won't win any beauty pageants. But a rigid social structure and special adaptations for life in the dark help naked mole rats rule the roost underground. ➡ Subscribe: http://bit.ly/NatGeoWILDSubscribe #NatGeoWILD #Wor

From playlist Amazing Animals | National Geographic

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The microbes that live with us from cradle to grave

Inside your body there are trillions of microscopic organisms: bacteria, viruses, fungi and archaea - collectively known as the microbiota. Over the past decade, we’ve learnt that these communities help to shape our physiology and contribute to our wellbeing. But there are still many que

From playlist Micro

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IQC#6 The Mole Concept

Year 11 Chemistry Intro to Quantitative Chemistry Mole Concept

From playlist Y11 Chem Mod 2 Quantitative Chem

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What are viruses | Cells | Biology | FuseSchool

What are viruses | Cells | Biology | FuseSchool In this video we are going to look at what viruses are. Viruses are a type of microorganism. They are too small to be seen with the naked eye: much smaller than bacteria, and about 100 times smaller than human cells. They come in many diffe

From playlist BIOLOGY

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Class 14: Hinged Dissections

MIT 6.849 Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Fall 2012 View the complete course: http://ocw.mit.edu/6-849F12 Instructor: Erik Demaine This class focuses on hinged dissections. Examples of hinged dissections and several built, reconfigurable applications are offere

From playlist MIT 6.849 Geometric Folding Algorithms, Fall 2012

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Self-replication