Davy's electrical egg

Date: 08/28/2007

Views: 645

Keywords: Davy's electrical egg

0 votes

0 N/A

Spherical aberration

Here is another optical aberration related to plano-convex lenses

Date: 08/28/2007

Views: 527

Keywords: Spherical aberration

0 votes

0 N/A

Original Crookes tubes

Original Crookes tubes and other cathode ray tubes from 1890-1900, used by Wilhelm Röntgen

Date: 06/25/2007

Views: 546

Keywords: tubes, Crookes tubes, Wilhelm Röntgen

0 votes

0 N/A

First Scanning tunneling microscope

First Scanning tunneling microscope IBM Research Zurich 1981

Date: 06/05/2007

Views: 485

0 votes

0 N/A

IBM's SAGE

IBM's SAGE is a large semi-automated air defense system from the Cold War era.

Date: 06/13/2007

Views: 572

Keywords: IBM, SAGE

0 votes

0 N/A

Russian atomic bomb

This is the russian "RDS-1"-bomb

Date: 04/03/2005

Views: 1170

Keywords: atomic bomb, RDS-1

0 votes

0 N/A

Homopolar motor at the Exploratorium

Date: 06/11/2007

Views: 535

0 votes

0 N/A

High voltage

A spark produced by a Wimshurst generator.

Date: 06/07/2007

Views: 427

0 votes

0 N/A

High voltage III

Date: 06/07/2007

Views: 412

0 votes

0 N/A