Photo Researchers ftp March 2011

Historic image from the Nevis Cyclotron Laboratory of meson decay in a liquid hydrogen bubble chamber. A negative pi meson decays into a negative mu...

Historic image from the Nevis Cyclotron Laboratory of meson decay in a liquid hydrogen bubble chamber. A negative pi meson decays into a negative mu...

Historic image from the Nevis Cyclotron Laboratory of meson decay in a liquid hydrogen bubble chamber. A negative pi meson decays into a negative mu...

First observation of omega-minus particle. In this historic photograph from the 80-inch (200cm) bubble chamber at the Brookhaven National Laboratory,...

First observation of omega-minus particle. In this historic photograph from the 80-inch (200cm) bubble chamber at the Brookhaven National Laboratory,...

First observation of omega-minus particle. In this historic photograph from the 80-inch (200cm) bubble chamber at the Brookhaven National Laboratory,...

First observation of omega-minus particle. In this historic photograph from the 80-inch (200cm) bubble chamber at the Brookhaven National Laboratory,...

First observation of omega-minus particle. In this historic photograph from the 80-inch (200cm) bubble chamber at the Brookhaven National Laboratory,...

First observation of omega-minus particle. In this historic photograph from the 80-inch (200cm) bubble chamber at the Brookhaven National Laboratory,...

Historic hydrogen bubble chamber photograph from the Lawrence Berkeley National Laboratory. It shows a sequence of two catalyzed nuclear reactions -...

Historic hydrogen bubble chamber photograph from the Lawrence Berkeley National Laboratory. It shows a sequence of two catalyzed nuclear reactions -...

Historic hydrogen bubble chamber photograph from the Lawrence Berkeley National Laboratory. It shows a sequence of two catalyzed nuclear reactions -...

Historic hydrogen bubble chamber photograph from the Lawrence Berkeley National Laboratory. It shows a sequence of two catalyzed nuclear reactions -...

This liquid hydrogen bubble chamber photograph is the third observation of the production of a negatively-charged Omega meson. The sketch beside the...

This liquid hydrogen bubble chamber photograph is the third observation of the production of a negatively-charged Omega meson. The sketch beside the...

This liquid hydrogen bubble chamber photograph is the third observation of the production of a negatively-charged Omega meson. The sketch beside the...

This sketch shows the proper assignments of a particle to each track, corresponding to the third observation of the production of a negatively-charged...

This sketch shows the proper assignments of a particle to each track, corresponding to the third observation of the production of a negatively-charged...

This sketch shows the proper assignments of a particle to each track, corresponding to the third observation of the production of a negatively-charged...

Historic bubble chamber photograph from the Brookhaven National Laboratory. A 2.85 Bev proton from the Cosmotron collides with a proton in the liquid...

Historic bubble chamber photograph from the Brookhaven National Laboratory. A 2.85 Bev proton from the Cosmotron collides with a proton in the liquid...

Historic image taken from a cloud chamber at the Lawrence Berkeley National Laboratory. The image shows carbon and oxygen disintegration in a cloud c...

Historic image taken from a cloud chamber at the Lawrence Berkeley National Laboratory. The image shows carbon and oxygen disintegration in a cloud c...

Historic image taken from a cloud chamber at the Lawrence Berkeley National Laboratory. The image shows carbon and oxygen disintegration in a cloud c...

Historic image taken from a cloud chamber at the Lawrence Berkeley National Laboratory. The image shows carbon and oxygen disintegration in a cloud c...

Historic image of particle tracks, seen in a 30" propane bubble chamber, Lawrence Berkeley National Laboratory.

Historic image of particle tracks, seen in a 30" propane bubble chamber, Lawrence Berkeley National Laboratory.

Pattern of Grape Hyacinth, daffodils, and tulips in Keukenhof Gardens, Lisse, Netherlands.

Close up of purple hyacinth flowers in Keukenhof Gardens, Lisse, Netherlands.

Tulips in Keukenhof Gardens, Lisse, Netherlands, Holland.

Light micrograph of green algae in the genus Desmidium. Living specimens. Brightfield illumination. Magnification 100 x at 35mm.

Light micrograph of green algae in the genus Closterium. Magnification: 200 x at 35mm.

Light micrograph of green algae in the genus Closterium. Magnification: 200 x at 35mm.

Light micrograph of the algae species Polykrikos schwartzii, a colorless, phagotrophic marine dinoflagellate. Living specimen. Magnification: 125 x at...

Light micrograph showing cell fission in Eudorina elegans green algae. Living specimens. Magnification 50 x at 35mm.

Light micrograph of the green algae species Staurastrum victoriense, showing the 12 radiating spines, each occupied by a lobe of chloroplast. Semicell...

Spirogyra is a green alga which forms slimy threads called "water-silk" or "mermaid's tresses" in stagnant or slow moving water. Conjugation, a form...

Color enhanced Scanning Electron Micrograph (SEM) of Forsythia anthers; magnification x60.

Color enhanced Scanning Electron Micrograph (SEM) of Forsythia anthers; magnification x60.

Light micrograph of fossilized algae in the class Silicoflagellea. Magnification unknown.

Gray wolf (canis lupus) in winter, Minnesota.

Wolf (Canis lupus) in winter, Minnesota.

Arctic wolf (Canis lupus arctos), Minnesota.

Arctic wolf (Canis lupus arctos), Minnesota.

Wolf (Canis lupus) in winter, Minnesota.

Wolves (Canis lupus) in winter, Minnesota.

Wolf (Canis lupus) in winter, Minnesota.

Wolf (Canis lupus) in winter, Minnesota.

Wolves (Canis lupus) in winter, Minnesota.

Wolf (Canis lupus) in winter, Minnesota.