The reason it’s levitating is because he reversed the direction of the coil near the top so you end up with two different magnetic fields. This causes the aluminum to levitate. I will be trying to recreate this in a future video. I would be curious to see how a magnet would react in a reversed coil like that.
news A small community group in the Victorian town of Dereel is attempting to block the installation of a National Broadband Network wireless tower in the region despite most of the community approving, inaccurately claiming that the installation of the tower could cause “life-threatening” radiation to residents in the area.
The U.S. can’t even build a bullet train. The one in Dallas is never going to materialize. If we hire the Chinese to build these tunnels then maybe it could get done, but not otherwise.
I wonder if a magnetic lens like the ones in an electron microscope could be used to help shape the field for greater resolution. It might require some calibration to eliminate the interference from the lens so that the only fields sensed would be from the object source.
Jack London Square is also a bona fide foodie destination these days, with such mainstays at Yoshi’s and Chop Bar joined by newer-comers Lungomare and San Francisco’s Belcampo Meat Co. The bar scene is also strong, with everything from historic watering holes to modern breweries and wine tasting rooms.
If only one of you is tall, they sleep on the passenger side with the front seat back folded down/forward. – With some cars, the front seat back goes flat in line with the folded down rear seat. – Some end up raised (rough, you need to raise the rear to match). – Some slope upwards (and some too much for comfort). – And some slope downwards, so you stick something on the seat to prop the back up to flat or gently sloped upwards. This is sometimes required for the rear seat’s back too. With some cars, even with the front seat slid all the way back, there’s a gap between the folded down rear seat and the front seat; a piece of rigid foam of the appropriate thickness will fill that gap, or make something out of plywood and it’s now (although small) storage space.
I wasn’t serious. Just poking fun at the folks who always feel compelled to show off their deep wisdom by adding painfully-obvious safety warnings to any HaD post about something that has the slightest chance of singeing your fingertip. Anyone far enough up on the Darwin scale to matter would know to do this outside.
Put that same bus on an upgrade of say 5% [a 5% grade is five feet vertical rise in 100 feet, not an angle of 5% from the horizontal, incidentally] and the hp requirement zooms up to 400. Kick the grade up to 7% and the hp demand goes to over 480. Where the fuel burn on the flat might be 7.5 gal/hr on the flat, it will just zoom to 40 gph on a steep grade. You see the problems. And laden trucks are even more consumptive.
“A battery’s capacity depends upon its cell chemistry and current draw. Energizer brand rates its alkaline D cell at approximately 20,000mAh at 25mA draw, but estimates performance closer to about 10,000mAh at 500mA draw.” source: duracell
From what I have read, you can get either an expensive fridge or a cheap common bar fridge and an expensive inverter however an expensive inverter is cheaper than an expensive fridge.
Todd Bryson, vice president of operations for Multicyl Inc., said that the applications Boyko describes are a good example of the “sweet spot” for his company’s product.
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