17 Feb
2010
17 Feb
'10
2:14 p.m.
On 17 Feb 2010 at 9:54, Mr Ian Primus wrote:
The picture tube from an IBM 5151 display ought to
work. That's about
as long a persistence as they get...
Not even by a long shot. The yellow/orange phosphors used on some
radar equipment could take many seconds to decay.
--Chuck