* biked to belmont on the fuji around noontime
* mother reported seeing a large yellow bird on the suet feeder. she managed to snap a few photos with her camera. not sure what it was, at first i thought it was a wintering goldfinch, but it was unusually large. then i saw it for myself when it returned to the feeder. looks like a young female baltimore oriole, first time at the feeder. normally we don't see orioles until late spring since these are summer migrants. maybe since this was a young bird, her timing was a little off and arrived too early, when there isn't any food to eat yet (insects and berries). so the suet is probably her only source of food at the moment. i didn't know orioles could hang from suet feeders, it had no problems eating. there were also a lot of other birds today (downys, chickadees, juncos, nuthatch).
* drove back to cambridge, waiting for eliza to return
* gave eliza a ride to porter square. just as we were about to head out, i saw the mailman drop off a bunch of boxes on my front steps. i got out to put them inside the house before leaving.
* ocean state job lot (waltham)
i tried to set up the t-mobile sim card. i had it in my old ZTE phone but i may need that phone at some point so better to put it into a nokia. 

i couldn't wait to get home to unbox the new LED aquarium light that i saw arrive on my doorstep earlier this afternoon. i took out a light flat panel studded with led's on one side behind a glass cover. compared to my old fluorescent tank light, this thing looked like some aquarium equipment from the future. 2 collapsible hinges allowed me to mount the new light above the glass panel cover.
i did a little comparison test.1 the fluorescent tube - operating at 12.5 watts (it's rated 15 watts) - had a yellow hue. the beamswork led light - operating at only 7.2 watts (although with 19x 0.50W led's it should really be at least 9.5 watts not counting the 3x actinic led's) - has a temperature of 6500k (supposedly optimal for plant growth) so it has a blueish hue. and when only the actinic led's are turned on - just 3, 1.6 watts - it's very dark blue, to simulate night time conditions. the one problem i can see with the led light is that it doesn't have a hood. fortunately the led's are pointing downwards but there's still a little bit of side glare that i'm not used to. led's have to be open to dissipate heat, but when i felt the led's they didn't feel hot at all. now i just have to wait and see if the java ferns will do better with these led's.

1 as a side note, my hagen aquaclear 20 aquarium filter uses 4.2 watts of power. it essentially runs 24/7, theoretically cleaning the fish tank water (provided i remember to routinely change out the activated carbon).









