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How many miligrams of hair (on the head, not including facial hair) does an average man with a full haid of hair grow in a month? Has this ever been measured empircally, rather than calculated? — Preceding unsigned comment added by 24.100.220.34 ( talk) 04:39, 19 June 2014 (UTC)
Every spring (starting late May and early June) we get 100's of geese, mainly Canada goose, that congregate on both sides of the airport road ( 69°06′44″N 105°05′15″W / 69.11222°N 105.08750°W) where it is illegal to shoot them. At the same time there are thousands out of town. After a short period they move out onto the tundra to lay eggs and raise their young. Once the gosling's are born there might be one or two families that return to the sides of the road. You can drive by them with a truck or ATV and walk, even with a dog, by them and they don't move. The only way to get them to move is to walk towards them or bend over. However, the geese on the land (this is before the eggs are laid), where you can shoot them, will fly off well before you get into shotgun range. So the question is how do the geese know that being on the side of the road is safe? How do they transmit this information between one another? CBWeather, Talk, Seal meat for supper? 08:08, 19 June 2014 (UTC)
What solvent would be useful for the titular synthesis, using dichloridomercury and lithium tetrahydridogallate, the temperature must be kept below 149 K (−124 °C; −191 °F)? Plasmic Physics ( talk) 11:42, 19 June 2014 (UTC)
How well can temperature be controlled in cryogenic syntheses? Plasmic Physics ( talk) 00:02, 20 June 2014 (UTC)
I looked in the transmission line article but it does not describe this version. I want to know if parallel plate transmission lines are always balanced, or can they be operated unbalanced?-- 86.180.143.223 ( talk) 17:33, 19 June 2014 (UTC)
Our article on Stilton cheese makes no mention of its wheat content, but it's an allegation -- for want of a better term -- that's consistently made online. Could anyone point me in the direction of a WP:RS that states that Stilton contains wheat so that I can add it to the article (or not, as the case may be)? I don't eat wheat but used to be damned fond of a tasty piece of Stilton and would like to be sure one way or another. Thanks, Ericoides ( talk) 18:25, 19 June 2014 (UTC)
I'm interested making relief maps of islands with large highest points relative to their area, so that they look more interesting. Taking islands over 10000 km² in area from List of islands by area and over 2000 m high from List of islands by highest point, I compiled this list:
Island | Highest point (m) | Area (km²) | Ratio (m/km²) |
---|---|---|---|
Hawaii | 4205 | 10434 | 0.403 |
Mindoro | 2582 | 10572 | 0.244 |
Jamaica | 2256 | 11190 | 0.202 |
Sumbawa | 2722 | 14386 | 0.189 |
Negros | 2435 | 13074 | 0.186 |
Panay | 2117 | 12011 | 0.176 |
Seram | 3027 | 17454 | 0.173 |
Palawan Island | 2085 | 12189 | 0.171 |
Flores | 2370 | 14154 | 0.167 |
Sicily | 3326 | 25662 | 0.130 |
Taiwan | 3952 | 35883 | 0.110 |
Timor | 2963 | 28418 | 0.104 |
Vancouver Island | 2195 | 31285 | 0.070 |
New Britain | 2334 | 35145 | 0.066 |
Alexander Island | 2987 | 49070 | 0.061 |
Axel Heiberg Island | 2210 | 43178 | 0.051 |
Hispaniola | 3098 | 76480 | 0.041 |
Sri Lanka | 2524 | 65268 | 0.039 |
Mindanao | 2954 | 97530 | 0.030 |
Hokkaido | 2290 | 78719 | 0.029 |
Luzon | 2922 | 109965 | 0.027 |
Java | 3676 | 138794 | 0.026 |
South Island | 3724 | 145836 | 0.026 |
North Island | 2797 | 111583 | 0.025 |
Iceland | 2110 | 101826 | 0.021 |
Sulawesi | 3478 | 180681 | 0.019 |
Honshu | 3776 | 225800 | 0.017 |
Ellesmere Island | 2616 | 196236 | 0.013 |
Sumatra | 3805 | 473481 | 0.008 |
New Guinea | 4884 | 785753 | 0.006 |
Borneo | 4095 | 748168 | 0.005 |
Madagascar | 2876 | 587713 | 0.005 |
Baffin Island | 2147 | 507451 | 0.004 |
Greenland | 3694 | 2130800 | 0.002 |
However, Penang Island, at 833 km² and 295 m has a ratio of 2.824, much larger than any of the above.
Is there a quick way of get a list of islands with the largest ratios?
Thanks! cmɢʟee⎆ τaʟκ 19:25, 19 June 2014 (UTC)
Island | Highest point (m) | Area (km²) | m/√km² |
---|---|---|---|
Ko Tapu | 20 | 0.000016 | 5000 |
Old Man of Hoy | 137 | 0.01 | 1370 |
Penang Island | 833 | 295 | 48 |
Hawaii | 4205 | 10434 | 41 |
Mindoro | 2582 | 10572 | 25 |
Seram | 3027 | 17454 | 23 |
Sumbawa | 2722 | 14386 | 23 |
Jamaica | 2256 | 11190 | 21 |
Negros | 2435 | 13074 | 21 |
Taiwan | 3952 | 35883 | 21 |
Sicily | 3326 | 25662 | 21 |
Flores | 2370 | 14154 | 20 |
Panay | 2117 | 12011 | 19 |
Palawan Island | 2085 | 12189 | 19 |
Timor | 2963 | 28418 | 18 |
Alexander Island | 2987 | 49070 | 13 |
New Britain | 2334 | 35145 | 12 |
Vancouver Island | 2195 | 31285 | 12 |
Hispaniola | 3098 | 76480 | 11 |
Axel Heiberg Island | 2210 | 43178 | 11 |
Sri Lanka | 2524 | 65268 | 10 |
Java | 3676 | 138794 | 10 |
South Island | 3724 | 145836 | 10 |
Mindanao | 2954 | 97530 | 9 |
Luzon | 2922 | 109965 | 9 |
North Island | 2797 | 111583 | 8 |
Sulawesi | 3478 | 180681 | 8 |
Hokkaido | 2290 | 78719 | 8 |
Honshu | 3776 | 225800 | 8 |
Iceland | 2110 | 101826 | 7 |
Ellesmere Island | 2616 | 196236 | 6 |
Sumatra | 3805 | 473481 | 6 |
New Guinea | 4884 | 785753 | 6 |
Borneo | 4095 | 748168 | 5 |
Madagascar | 2876 | 587713 | 4 |
Baffin Island | 2147 | 507451 | 3 |
Greenland | 3694 | 2130800 | 3 |
Carbonatite lavas are very unusual in appearance and composition, and apparently result from the separation of phases in magma. See [7] for some video well worth watching. A question they raise in my mind, though: does the separation of phases here have anything to do with the hydrophilic aqueous phase and hydrophobic organic phase that typically dominate a smaller and cooler separatory funnel than the ones here delivering different flavors of magma to the Earth's surface over spans of (only) thousands of years? Does the partition of various minerals to these phases align with an analysis of how polar they are expected to be in a magma setting? Can you say that a carbonatite or silicate phase mixes with X mixes with Y mixes with... until you have a series that relates it in hypothetical miscibility directly to oil or water? If not, can you find a direct analogy from liquids at STP for this kind of phase separation? Wnt ( talk) 22:40, 19 June 2014 (UTC)
Science desk | ||
---|---|---|
< June 18 | << May | June | Jul >> | June 20 > |
Welcome to the Wikipedia Science Reference Desk Archives |
---|
The page you are currently viewing is an archive page. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages. |
How many miligrams of hair (on the head, not including facial hair) does an average man with a full haid of hair grow in a month? Has this ever been measured empircally, rather than calculated? — Preceding unsigned comment added by 24.100.220.34 ( talk) 04:39, 19 June 2014 (UTC)
Every spring (starting late May and early June) we get 100's of geese, mainly Canada goose, that congregate on both sides of the airport road ( 69°06′44″N 105°05′15″W / 69.11222°N 105.08750°W) where it is illegal to shoot them. At the same time there are thousands out of town. After a short period they move out onto the tundra to lay eggs and raise their young. Once the gosling's are born there might be one or two families that return to the sides of the road. You can drive by them with a truck or ATV and walk, even with a dog, by them and they don't move. The only way to get them to move is to walk towards them or bend over. However, the geese on the land (this is before the eggs are laid), where you can shoot them, will fly off well before you get into shotgun range. So the question is how do the geese know that being on the side of the road is safe? How do they transmit this information between one another? CBWeather, Talk, Seal meat for supper? 08:08, 19 June 2014 (UTC)
What solvent would be useful for the titular synthesis, using dichloridomercury and lithium tetrahydridogallate, the temperature must be kept below 149 K (−124 °C; −191 °F)? Plasmic Physics ( talk) 11:42, 19 June 2014 (UTC)
How well can temperature be controlled in cryogenic syntheses? Plasmic Physics ( talk) 00:02, 20 June 2014 (UTC)
I looked in the transmission line article but it does not describe this version. I want to know if parallel plate transmission lines are always balanced, or can they be operated unbalanced?-- 86.180.143.223 ( talk) 17:33, 19 June 2014 (UTC)
Our article on Stilton cheese makes no mention of its wheat content, but it's an allegation -- for want of a better term -- that's consistently made online. Could anyone point me in the direction of a WP:RS that states that Stilton contains wheat so that I can add it to the article (or not, as the case may be)? I don't eat wheat but used to be damned fond of a tasty piece of Stilton and would like to be sure one way or another. Thanks, Ericoides ( talk) 18:25, 19 June 2014 (UTC)
I'm interested making relief maps of islands with large highest points relative to their area, so that they look more interesting. Taking islands over 10000 km² in area from List of islands by area and over 2000 m high from List of islands by highest point, I compiled this list:
Island | Highest point (m) | Area (km²) | Ratio (m/km²) |
---|---|---|---|
Hawaii | 4205 | 10434 | 0.403 |
Mindoro | 2582 | 10572 | 0.244 |
Jamaica | 2256 | 11190 | 0.202 |
Sumbawa | 2722 | 14386 | 0.189 |
Negros | 2435 | 13074 | 0.186 |
Panay | 2117 | 12011 | 0.176 |
Seram | 3027 | 17454 | 0.173 |
Palawan Island | 2085 | 12189 | 0.171 |
Flores | 2370 | 14154 | 0.167 |
Sicily | 3326 | 25662 | 0.130 |
Taiwan | 3952 | 35883 | 0.110 |
Timor | 2963 | 28418 | 0.104 |
Vancouver Island | 2195 | 31285 | 0.070 |
New Britain | 2334 | 35145 | 0.066 |
Alexander Island | 2987 | 49070 | 0.061 |
Axel Heiberg Island | 2210 | 43178 | 0.051 |
Hispaniola | 3098 | 76480 | 0.041 |
Sri Lanka | 2524 | 65268 | 0.039 |
Mindanao | 2954 | 97530 | 0.030 |
Hokkaido | 2290 | 78719 | 0.029 |
Luzon | 2922 | 109965 | 0.027 |
Java | 3676 | 138794 | 0.026 |
South Island | 3724 | 145836 | 0.026 |
North Island | 2797 | 111583 | 0.025 |
Iceland | 2110 | 101826 | 0.021 |
Sulawesi | 3478 | 180681 | 0.019 |
Honshu | 3776 | 225800 | 0.017 |
Ellesmere Island | 2616 | 196236 | 0.013 |
Sumatra | 3805 | 473481 | 0.008 |
New Guinea | 4884 | 785753 | 0.006 |
Borneo | 4095 | 748168 | 0.005 |
Madagascar | 2876 | 587713 | 0.005 |
Baffin Island | 2147 | 507451 | 0.004 |
Greenland | 3694 | 2130800 | 0.002 |
However, Penang Island, at 833 km² and 295 m has a ratio of 2.824, much larger than any of the above.
Is there a quick way of get a list of islands with the largest ratios?
Thanks! cmɢʟee⎆ τaʟκ 19:25, 19 June 2014 (UTC)
Island | Highest point (m) | Area (km²) | m/√km² |
---|---|---|---|
Ko Tapu | 20 | 0.000016 | 5000 |
Old Man of Hoy | 137 | 0.01 | 1370 |
Penang Island | 833 | 295 | 48 |
Hawaii | 4205 | 10434 | 41 |
Mindoro | 2582 | 10572 | 25 |
Seram | 3027 | 17454 | 23 |
Sumbawa | 2722 | 14386 | 23 |
Jamaica | 2256 | 11190 | 21 |
Negros | 2435 | 13074 | 21 |
Taiwan | 3952 | 35883 | 21 |
Sicily | 3326 | 25662 | 21 |
Flores | 2370 | 14154 | 20 |
Panay | 2117 | 12011 | 19 |
Palawan Island | 2085 | 12189 | 19 |
Timor | 2963 | 28418 | 18 |
Alexander Island | 2987 | 49070 | 13 |
New Britain | 2334 | 35145 | 12 |
Vancouver Island | 2195 | 31285 | 12 |
Hispaniola | 3098 | 76480 | 11 |
Axel Heiberg Island | 2210 | 43178 | 11 |
Sri Lanka | 2524 | 65268 | 10 |
Java | 3676 | 138794 | 10 |
South Island | 3724 | 145836 | 10 |
Mindanao | 2954 | 97530 | 9 |
Luzon | 2922 | 109965 | 9 |
North Island | 2797 | 111583 | 8 |
Sulawesi | 3478 | 180681 | 8 |
Hokkaido | 2290 | 78719 | 8 |
Honshu | 3776 | 225800 | 8 |
Iceland | 2110 | 101826 | 7 |
Ellesmere Island | 2616 | 196236 | 6 |
Sumatra | 3805 | 473481 | 6 |
New Guinea | 4884 | 785753 | 6 |
Borneo | 4095 | 748168 | 5 |
Madagascar | 2876 | 587713 | 4 |
Baffin Island | 2147 | 507451 | 3 |
Greenland | 3694 | 2130800 | 3 |
Carbonatite lavas are very unusual in appearance and composition, and apparently result from the separation of phases in magma. See [7] for some video well worth watching. A question they raise in my mind, though: does the separation of phases here have anything to do with the hydrophilic aqueous phase and hydrophobic organic phase that typically dominate a smaller and cooler separatory funnel than the ones here delivering different flavors of magma to the Earth's surface over spans of (only) thousands of years? Does the partition of various minerals to these phases align with an analysis of how polar they are expected to be in a magma setting? Can you say that a carbonatite or silicate phase mixes with X mixes with Y mixes with... until you have a series that relates it in hypothetical miscibility directly to oil or water? If not, can you find a direct analogy from liquids at STP for this kind of phase separation? Wnt ( talk) 22:40, 19 June 2014 (UTC)