A card may be used in more than one pairing (such are the case where you have three 3s in a triangle wherein the 3 in the corner would be paired both horizontally and vertically.) For example: Eaxample with the three 3s creating 2 pairs, zeroing them all out. Pairs of horizontally and vertically adjacent cards are considered to be zeroed out. ScoringĪt the end of the play, any remaining face-down cards in each player's layout are turned face-up. Ending the PlayĪfter a player's last face-down card is exposed, each of the other players plays one more turn before the hand is scored. However, if you chose to take the discard, you must use it to replace one of your layout cards - you cannot simply put it back on the discard pile, leaving the situation as it was. NOTE: If you drew the card from the stock and decide that you do not want to use it in your layout, you may simply discard the drawn card face up on the discard pile, and it is then the next player's turn. You place the drawn card face-up in your layout, and discard the card that previously occupied that position, putting it face-up on top of the discard pile. You may choose to replace one of the face-down cards of your layout, but you are not allowed to look at any of your layout cards before deciding which to replace. The drawn card may be used to replace any of the cards in your layout. At your turn you must either draw the top card of the face-down stock, or draw the top discard. The player to the dealer's left begins, and the turn to play passes clockwise. After this, remaining face-down layout cards may not be looked at until they are turned over or discarded during play or are scored at the end of the play. The top card of the stock is turned face up and placed beside the stock to start the discard pile.īefore play begins, each player turns any three of their layout cards face-up. The remaining undealt cards are placed face-down in the center of the table to form a drawing stock. Each player's cards are arranged face down in a three by three square in front of each player like this: The dealer deals nine cards to each player, one at a time. We suspect that another deck may need to be added if there are more than five players. We've played with two, three and four players with three decks. Three standard 52-card decks with Jokers are used.
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Unless you’re a master NSA hacker, you’ll have no chance of ever opening them again. If you forget your password, kiss those precious documents goodbye. It appears if you buy the full version ($44.99), it will encrypt the filenames too, if you want.Įncrypting your files can be dangerous. And evidently, with the free version, you’ll see the filenames unencrypted, they just won’t open. If you don’t mount the drive and browse to the BoxCryptor folder within Dropbox you’ll see your files, but they won’t open. After you install BoxCryptor you mount the drive and use this access point to see the files unencrypted. It works with Dropbox, SkyDrive and other cloud drive services, as well as regular drives. Save something to its drives and it’s automatically encrypted. BoxCryptor encrypts file by file, so the overhead for Dropbox is much lighter.īoxCryptor is free for personal use as long as you only create one virtual drive. Doing some Google research I discovered BoxCryptor. Dropbox sees TrueCrypt as a single file, so if you have a gigabyte of data locked down, that’s a lot for Dropbox to handle over the internet. It’s a scary subject because if you’re not careful you’ll lock all your critical files into an encrypted volume and you won’t be able to open it again.Īt first I thought I just set up a TrueCrypt volume inside of Dropbox, but I read there were some issues with that. We’re being forced to use TrueCrypt and BitLocker at work, so I was having to learn about this topic anyway. Before Windows times out and locks my machine, people could see my home files in Dropbox, so I felt it was the time to study encryption programs. However, I started thinking what would happen if someone came into my office when I just had stepped out. Normally Dropbox encrypts your files for transfer over the net and at their storage site, and I’ve considered that good enough security. So I’m being forced to encrypt my own documents. We’re not allowed to store sensitive data on our local drives, and my own files will set off their security scanner. Because my Dropbox files are replicated to all my machines at home and work this has caused a security problem at work. I set up Dropbox to use as my primary drive for all my digital document filing. In my never ending quest to get organized, I’ve been forced to explore the world of encryption. However, to develop fully-functional spintronic devices on flexible organic substrates is quite challenging. The goal of realizing fully-functional flexible spintronic devices is important because it will not only complete the flexible electronics family but also enrich the field of spintronic applications 15. Nowadays, spintronic devices based on giant magnetoresistance (GMR) and magnetic tunnel junctions (MTJs) are widely used for magnetic sensors 10, 11, read heads for hard-disk drives 12, magnetoresistive random access memory (MRAM) 13 and they have also been proposed for spin logic 14. Up to now, remarkable applications based on flexible electronics include displays 5, organic light-emitting diodes (LED) 6, organic solar cells 7, and various kinds of sensors 8, 9. Flexible electronics have benefited from the recent development of organic and inorganic electronics, which are prepared by using thin film technologies or printing. There are prospects for applications such as biological 2 and wearable devices 3, 4. Flexibility offers great advantages over conventional rigid electronics, such as light weight, bendable, portable, and potentially foldable devices 1, which could be integrated onto many kinds of surface. The demonstrated flexible MgO-barrier MTJs opens the door to integrating high-performance spintronic devices in flexible and wearable electronics devices for a plethora of biomedical sensing applications.įlexible electronics has been a centre of attention in past decades due to the rapid growth of the market, as well as growing scientific interest. The devices‘ robustness is manifested by its retained excellent performance and unaltered TMR ratio after over 1000 bending cycles. Remarkably, such flexible MTJs are fully functional, exhibiting a TMR ratio as high as 190% under bending radii as small as 5 mm. In this work, we have developed a method to fabricate high-performance MgO-barrier MTJs directly onto ultrathin flexible silicon membrane with a thickness of 14 μm and then transfer-and-bond to plastic substrates. The required stringent fabrication processes to obtain high quality MgO-barrier MTJs, however, limit its integration with flexible electronics devices. It could play an important role in wearable medical devices if they can be fabricated on flexible substrates. The magnetic tunnel junction (MTJ) using MgO barrier is one of most important building blocks for spintronic devices and has been widely utilized as miniaturized magentic sensors.
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