3D Printing Scanned Objects and Electronics

After scanning an object quickly, a 3D printers can now replicate any object quickly. They can also print parts including electronics complex working mechanical pieces, and even batteries. The first video shows how a 3D printer and scanner can replicate objects. The next video talks about printing parts with electronics, and the last 2 videos show complex mechanical pieces and batteries being printed.


Metamaterial Cloak and Negative Refraction

A metamaterial cloak has demonstrated invisibility in the radar spectrum by bending light around the object using ring patterns of specific sizes relative to the wavelengths. Another interesting property is negative refraction which could make microscopes more powerful then the current limitations among other things. The research is proving the usefulness of metamaterials  although it is not made precisely yet. This video is a lecture from a leading researcher in the field.

Photograph of the metamaterial lattice used to...

Photograph of the metamaterial lattice used to demonstrate negative refraction. The array of square split-ring resonators gives the material a negative magnetic permeability, whereas the array of straight wires gives it a negative permittivity (Photo credit: Wikipedia)

Graphene Lecture Explains how Graphene Works and is Used

Graphene is not the only material that can be constructed in a singe atom plane. Others include fluorographene, graphane, and boron-nitride. By combining these various properties can be engineered including transistors. Carbon is the next natural move from silicon as a semiconductor based on the periodic table. Much cheaper methods of creating graphene now exist and include CVD(chemical vapor deposition), epitaxial growth SiC, liquid phase production, and chemical exfoliation. You will also learn how the properties of graphene make it so unique.

The Current State of Quantum Computers

Quantum computers are beginning to be made with single atom transistors. They are produced with a TEM(electron microscope) and every atom can be identified with a unique signature. They are made with a single phosphorous atom sitting on a sheet of silicon. They can be build 3d now and every qubit added will exponentially increase the power of the quantum computer. This TED talk will explain more of the progress they made in Australia in the last few years.

Stars and Galaxies inside a Bulb and Other Experiments

This video is full of experiments run by Peter Lindemann and Eric Dollard. One of these experiments is based on a regular popular plasma ball, but generating confined shapes that resemble stars and galaxies in a burnt out bulb. Other experiments include dielectric field demonstrations, the N-machine, music in sparks, and branch structures cut into wood.

At 1:44:00 you will find the display of star or galaxy shapes formed inside a bulb.

1:26:30 is the branch structure burned into wood and music from sparks.

47:30 the beginning of the N-machine segment.

The very beginning explains dielectricity and magnetism.

Bulb Emits Rays That Attract Copper and Repel Humans

Rays emitted by a bulb connected to longitudinal current generated by a Tesla design implemented by Eric Dollard. A pushing force is felt from the bulb with the hand, while copper foil is attracted to the bulb. The longitudinal current is generated from a Tesla coil to a capacitor and spark gaps to a flat resonant coil and then picked up on a secondary in the same physical flat coil. You can read more about the ideas used to construct the resonant coils in Tesla’s 1893 lecture. One of the main phenomenon demonstrated is long distance power transmission.

See the effect of copper attraction compared to a regular bulb at 23:00

Best Paper Airplane Design for Distance in the World

The best paper airplane design for distance achieved for the Guinness book of world records is explained in this video. It is specially designed based on throw, varying speed, and airflow. It is thrown horizontally rises then glides down. One piece of tape was used, cut into 14 pieces and the angles are precise. I find this design and aerodynamics fastening.