The hardware gurus over at Tom's Guide have zeroed in on a spanking new USB connector design. "The Double USB" uses two contact plates instead of the standard one-plate design and can face up or down when plugged into a USB port. Overall the design ensures that there will always be a contact layer within the connector no matter which side is facing up.
As noted at Tom's, "this seemingly eliminates one of the most annoying aspects about USB technology: having to figure out which side is up before plugging in a peripheral or thumb drive.
The new plug works by incorporating a second plastic plate containing the necessary contacts to make a digital connection. Both plates fill the entire metal tube, but the plug incorporates a spring on each contact plate, allowing one to be pushed back into the plug base when connecting to a USB port.
The plate then pops back into the steel tube when the cord is disconnected. Flip the connector over and the other plate is pushed back."
Source: [Tom's Guide]
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