as PWalsh says, it’s not really possible without a sensing proxy. In theory (not claiming its easy nor relatively feasible) one could use the Zeeman effect. I know the Zeeman effect has been used to calculate magnetic fields near celestial objects. If a molecule can be identified with a pronounced Zeeman effect, it should be possible to envelope it in a planar cavity, constructed from a reflective (diffuse or alternatively retroreflective) plane on one side and a transparent plane on the other, such that the Zeeman effective medium can be imaged through the transparent plane. The disadvantage would be a lot of upfront feasibility research, and a lot of trial and error, the advantage would be that one could leverage the cheap high pixel densities in digital cameras, a million magnetic field sensors on a PCB would turn out expensive.
On the downside, ALON is expensive — in the armored glass market, it’s about 5 times the price of traditional laminated glass. But it has so many benefits, not least of which is superior scratch resistance, that for some applications it’s the material of choice. Chances are good that increased demand for the material will drive costs down, and it may not be long before Gorilla Glass is replaced by transparent aluminum smartphone screens that might actually damage the pavement when you drop your phone.
It’s also open for private testing, with options from a 30 minute position optimisation for 125 Euro up to a three day aero fit, wind tunnel session and track test at 6000 Euro.
I was just searching for this information for some time. After 6 hours of continuous Googleing, at last I got it in your site. I wonder what is the lack of Google strategy that don’t rank this kind of informative websites in top of the list. Usually the top sites are full of garbage.
Extremely useful info particularly the last part
Park Jin Hyok worked as part of a team of hackers, also known as the Lazarus Group, to try to breach multiple other U.S. businesses, according to the complaint. In 2016 and 2017, Park’s targets included defense contractor Lockheed Martin. The complaint said there was no evidence Lockheed was breached.
By 12 o’clock on our first day we were hungry and tired after what felt like to us that we had been walking for ever and had been overdosed with information. We inspected the map of the show and realised that we had merely covered two thirds of the first hall, and there were a further seven to visit.
Omax offers about 100 classes per year, serving 500 students, and since 2006 has run about 725 classes for 3,700 students, according to Julene Bailie, technical training department manager for Omax, speaking at the company’s 25th anniversary event, held in July at Omax headquarters.
While this isn’t technically a camera as [Peter] would need box or lens for that, it is a fantastic way to visualize magnetic fields. [Peter] can visualize magnets on his laptop screen, with red representing a North pole and green representing the South pole. Apparently, transformers and motors look really, really cool, and this is a perfect proof of concept for the next revision of [Peter]’s tricorder. You can check out a video of this ‘camera’ in action below.
Ah raspberries, the ol 18650 grift… I agree tho the mini car battery with clamps would be adorbs 
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Ok, now that these are easily available, how do we add temperature or wattage control that is more that just on/off.
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