Some comprehension progress -- and a Russian book

I randomly listened to one of the chunks of the four-part "27 Years After" Soviet Musketeers documentary ( and I can definitely understand a lot more of it than I could what I first encountered it )

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( 'When I Was Athos' back in print )

Flash tests

I have spent the last couple of days running tests on my USB bike lights to try to work out what they will and will not safely do ( Read more... )

So my provisional conclusions, from what I can remember of my test data, are that it should be perfectly safe to cycle for, say, an hour and a half, spend a few hours on various other activities and then cycle home again, provided you don't attempt to switch the lights *off* in the interim :-O Which means having them flashing away in the bottom of your bag in the cinema, say, and hoping it is sufficiently lightproof -- obviously you can't leave the bike parked and drawing attention to itself outside with the lights left on. It is the trauma of starting up on high-beam that seems to flatten a battery that should in theory have hours of continuing power left in it.
Alternatively, it would probably work if you can remember to switch them off briefly every half-hour or so while riding, which seems to contradict the previous result.
( Difference between tests and reality )