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However he explained that ticket inspectors have to know whether the station the person will be departing at (or even possibly departing at with a break of journey) has ticket barriers (sorta rare in Wales anyway) because then they can't invalidate the ticket ...

(sorta opposite to what Oyster does) so that if the ticket barrier has said data it knows the ticket is invalid and won't allow exit. Presumably in cases where the barrier would swallow a paper ticket it also distributes the ticket invalid message. ...

The green button does nothing and allows the ticket to be used again. The red button on the other hand queues some data to be sent when the device next has internet. This data (not sure exactly what) is the slowly propagated to all ticket barriers ...

Got some interesting details about how the 2D barcode tickets work from a TfW ticket inspector. It appears they can be validated offline, because tunnels exist. When the ticket is validated their app shows shows two button, one red and one green. ...

The Moon........ is part of Mars?

moving swiftly onwards

RT @[email protected]

For all of the money we are spending, NASA should NOT be talking about going to the Moon - We did that 50 years ago. They should be focused on the much bigger things we are doing, including Mars (of which the Moon is a part), Defense and Science!

πŸ¦πŸ”—: twitter.com/realDonaldTrump/st

RT @[email protected]

You heard the magic cookie, your twitter feed isn’t the important thing in life. It’s what you do after you tweet.

πŸ¦πŸ”—: twitter.com/nathanielrsuchy/st

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