A new detailed study of notes and sketches by Leonardo da Vinci has identified a page of scribbles in a tiny notebook as the place where Leonardo first recorded the laws of friction. The research also shows that he went on ...
General Physics
Jul 22, 2016
1
3003
One of the most spectacular facts of the last two centuries of economic history is the exponential growth in GDP per capita in most of the world. Figure 1 shows the rise (and the difference) in living standards for five countries ...
Economics & Business
May 31, 2019
4
186
A NASA team moved a step closer to building a completely 3-D printed, high-performance rocket engine by manufacturing complex engine parts and test firing them together with cryogenic liquid hydrogen and oxygen to produce ...
Space Exploration
Dec 21, 2015
0
2762
(Phys.org) —NASA has successfully tested the most complex rocket engine parts ever designed by the agency and printed with additive manufacturing, or 3-D printing, on a test stand at NASA's Marshall Space Flight Center ...
Space Exploration
Sep 1, 2014
9
0
Imagine being able to design a new aircraft engine part on a computer, and then being able to print it. Not the design – the actual part. And not just a lightweight, nonfunctional model, but an actual working part to ...
Engineering
Jul 26, 2012
8
0
(PhysOrg.com) -- A German automation company has come up with a new design for a flexible robotic arm, taking inspiration from the trunk of an elephant.
These days, aerospace engineering is all about the light stuff: building airplanes with lighter wings, fuselage and landing gear in an effort to reduce fuel costs.
Nanomaterials
May 20, 2013
4
0
(PhysOrg.com) -- Researchers from Purdue and Harvard universities have created a new type of transistor made from a material that could replace silicon and have a 3-D structure instead of conventional flat computer chips.
Electronics & Semiconductors
Dec 6, 2011
11
0
Trying to think green when buying a car? Whether your new fuel-efficient engine helps or hurts the warming planet depends on where you live and what you're putting in the tank.
Energy & Green Tech
Jul 13, 2016
71
173
Research led by Kansas State University's Suprem Das, assistant professor of industrial and manufacturing systems engineering, in collaboration with Christopher Sorensen, university distinguished professor of physics, shows ...
Nanomaterials
Jul 2, 2021
1
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