His finished model now can magnify images up to 300 times the size visible to the naked eye.
This example is only 176 micrometers (about 0.007 inches) long, and is barely visible to the naked eye.
The criteria for a dark sky site includes that the Milky Way is visible to the naked eye.
In 1910, after weeks of being viewed through telescopes, Halley's Comet was reported visible to the naked eye in Curacao.
It is 128 light years from Earth, and is just visible to the naked eye in the constellation of Pegasus.
It will not be visible to the naked eye, because it's small, "about half the size of a football field, " Yeomans said.
The thousands of stars once visible to the naked eye are now obscured by the glare of industrial light and the haze of pollution.
It already has a 64, 000km-long tail of dust and gas that will become visible to the naked eye later in the year - a trail scientists will study closely.
The samples were contained in petri dishes and the bacteria multiplied within 48 hours, so much so that they became visible to the naked eye as 300 to 400 tiny dots, Godard said.
With the 26x optical zoom lens, users can capture the expressions on children's faces at school games and plays, and the action of athletes at sporting events, with a level of detail not visible to the naked eye.
ENGADGET: Olympus introduces Stylus SP-820UZ, SP-720UZ cameras and SZ-14 binocular bundle
Johnson was hoping that the worst would not come true, that it would remain a short war, and he feared that that if the true economic cost of the war became visible to the naked eye, he would lose his Great Society programs.
If the light were not infrared but were instead in the visible spectrum, there was enough of it that the naked eye could have seen a glow, according to Phaedon Avouris , manager of nanometer scale science and technology at IBM (nyse: IBM - news - people ) Research Laboratories in Yorktown Heights, N.
应用推荐