Lifeboat Foundation: Safeguarding Humanity
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Category: electronics – Page 58

Circa 2011

Scientists at M.I.T’s Media lab have created a camera that can capture the speed of light, taking a photo in less than two-trillionths of a second. Using multiple cameras, sensors, a pulse light source and mirrors, the researchers create slow motion movies of light moving through objects and liquids. They call the technique femto-photography. “We have built a virtual slow motion camera where we can see photons, or light particles through space,” said Associate Professor Ramesh Raskar in an video interview. “Photons travel about a million times photons travel a million times faster than bullets. So our camera can see photons, or bullets of light traveling through space.”

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Most preppers are not in fact preparing for doomsday – they’re everyday people who anticipate and try to adapt for many conditions of calamity; conditions that they believe are inevitable and have been exponentially escalated through human hubris and excessive reliance on technology and global trade networks. While the disasters they anticipate might – at the more extreme end of the spectrum – include major “resets” like an all-out nuclear war or a massive electromagnetic pulse from the Sun that would fry our fragile electronics, most preppers stockpile for low to mid-level crises like the one the world is experiencing now.

For some, the current crisis is a dummy run for long-term lockdown. Across the world, luxury bunkers are being built for a lucky few to survive calamity and collapse.

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Researchers have created a device called a ‘shadow-effect energy generator’ that makes use of the contrast in illumination between lit and shadowed areas to generate electricity. This novel concept opens up new approaches in harnessing indoor lighting conditions to power electronics.

Shadows are often associated with darkness and uncertainty. Now, researchers from the National University of Singapore (NUS) are giving shadows a positive spin by demonstrating a way to harness this common but often overlooked optical effect to generate electricity.

“Shadows are omnipresent, and we often take them for granted. In conventional photovoltaic or optoelectronic applications where a steady source of light is used to power devices, the presence of shadows is undesirable, since it degrades the performance of devices. In this work, we capitalised on the illumination contrast caused by shadows as an indirect source of power. The contrast in illumination induces a voltage difference between the shadowed and illuminated sections, resulting in an electric current. This novel concept of harvesting energy in the presence of shadows is unprecedented,” explained research team leader Assistant Professor Tan Swee Ching, who is from the NUS Department of Materials Science and Engineering.

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Current methods for charging electronic devices via wireless technology only work if the overall system parameters are set up to match a specific transfer distance. As a result, these methods are limited to stationary power transfer applications, which means that a device that is receiving power needs to maintain a specific distance from the source supplying it in order for the power transfer to be successful.

Researchers at Stanford University have recently developed a new technique that could enable more efficient wireless transfer regardless of the distance between a device and its power source. Their paper, published in Nature Electronics, could help to overcome some of the current limitations of existing tools for the wireless charging of elecronic devices.

“The main purpose of our study was to overcome the barrier to dynamic wireless charging,” Sid Assawaworrarit, one of the researchers who carried out the study, told Phys.org. “Our idea is based on parity-time symmetry (PT symmetry), which concerns systems with balanced gain and loss.”

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The city’s Convention and Visitors Authority is still planning to open the ‘Loop’ in January 2021, in time for the Consumer Electronics Show — if the trade show still happens, that is. The plan is to whisk passengers through the tunnels that run underneath the Las Vegas Convention Center using a mix of Model 3s, Model Xs, and a 16-passenger “tram.”

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Just about everyone has had the experience of blinking while having their picture taken. The camera clicks, your eyes shut, and by the time they open again, the photo is ruined. A new ultrafast camera developed at Caltech, were it aimed at your lovely face, could also capture you looking like a dunce with your eyes shut, except instead of taking just one picture in the time it takes you to blink, it could take trillions of pictures.

The developed in the lab of Lihong Wang, Bren Professor of Medical Engineering and Electrical Engineering in the Andrew and Peggy Cherng Department of Medical Engineering, is capable of taking as many as 70 trillion frames per second. That is fast enough to see waves of light traveling and the fluorescent decay of molecules.

The , which Wang calls compressed ultrafast spectral photography (CUSP), is similar in some respects to previous fast cameras he has built, such as his phase-sensitive compressed ultrafast photography, or pCUP, device, which can take 1 trillion frames per second of transparent objects and phenomena.

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Islamic religious scientist points out a hidden existential threat, worse even than the SARS-CoV-2 virus: two-legged viruses that spread liberal democracy.

Iranian scholar Alireza Ebadi, Supreme Leader Ayatollah Ali Khamenei’s representative in the Southern Khorasan Province, said in a lecture that aired on Khorasan Jonoobi TV (Iran) on April 10, 2020 that the “virus” of Western liberal democracy is even worse than the coronavirus since it has caused the deaths and displacement of millions of people, two world wars, coups in various countries such as Iraq, the spread of cholera in Yemen, and Western intervention in Syria, Afghanistan, India, Pakistan, and elsewhere. Ebadi expressed hope that once humanity defeats the “pest” of the coronavirus, it will “make sure the greatest pests of all do not escape.” He added: “May God [save] humanity from [the] two-legged viruses.”

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