<s>
Physlets	B-Application
are	O
physics	O
applets	B-Language
that	O
are	O
free	O
for	O
non-commercial	O
use	O
and	O
were	O
created	O
by	O
the	O
same	O
team	O
as	O
the	O
Open	B-Application
Source	I-Application
Physics	I-Application
Project	O
.	O
</s>
<s>
Since	O
their	O
creation	O
at	O
Davidson	O
College	O
in	O
1998	O
,	O
over	O
2,000	O
individual	O
exercises	O
have	O
been	O
created	O
using	O
Physlets	B-Application
for	O
the	O
teaching	O
and	O
learning	O
of	O
astronomy	O
and	O
physics	O
on	O
a	O
variety	O
of	O
levels	O
and	O
a	O
variety	O
of	O
settings	O
.	O
</s>
<s>
Physlets	B-Application
have	O
also	O
been	O
used	O
in	O
a	O
number	O
of	O
textbooks	O
,	O
and	O
have	O
been	O
translated	O
into	O
a	O
number	O
of	O
languages	O
including	O
:	O
Spanish	O
,	O
Slovenian	O
,	O
German	O
,	O
Hebrew	O
,	O
and	O
Portuguese	O
.	O
</s>
<s>
The	O
original	O
Physlet-based	O
interactive	O
materials	O
relied	O
on	O
Java	B-Language
applets	B-Language
.	O
</s>
<s>
With	O
the	O
2014	O
release	O
of	O
the	O
new	O
HTML5	O
standards	O
,	O
browsers	O
gradually	O
ceased	O
supporting	O
plug-ins	O
,	O
such	O
as	O
Java	B-Language
.	O
</s>
<s>
In	O
2018-2019	O
,	O
Physlet	B-Application
Java	B-Language
Applets	B-Language
were	O
ported	O
to	O
JavaScript/HTML5	O
in	O
collaboration	O
with	O
Robert	O
Hanson	O
(	O
St.	O
Olaf	O
College	O
)	O
using	O
the	O
java2script-SwingJS	O
platform	O
,	O
which	O
allows	O
Physlet-based	O
materials	O
to	O
run	O
on	O
any	O
platform	O
(	O
desktop	O
,	O
laptop	O
,	O
tablet	O
,	O
phone	O
)	O
using	O
any	O
recent	O
JavaScript-enabled	O
browser	O
.	O
</s>
<s>
On	O
July	O
1	O
,	O
2018	O
,	O
the	O
third	O
,	O
all	O
electronic	O
,	O
JavaScript	B-Language
version	O
of	O
the	O
book	O
,	O
Physlets	B-Application
Physics	O
3E	O
,	O
was	O
released	O
under	O
a	O
Creative	O
Commons	O
Attribution-NonCommercial-NoDerivs	O
License	O
on	O
the	O
ComPADRE	O
National	O
Science	O
Digital	O
Library	O
.	O
</s>
<s>
On	O
April	O
15	O
,	O
2019	O
,	O
the	O
third	O
,	O
all	O
electronic	O
,	O
JavaScript	B-Language
version	O
of	O
the	O
book	O
,	O
Physlets	B-Application
Quantum	O
Physics	O
3E	O
,	O
was	O
released	O
under	O
a	O
Creative	O
Commons	O
Attribution-NonCommercial-NoDerivs	O
License	O
on	O
the	O
ComPADRE	O
National	O
Science	O
Digital	O
Library	O
.	O
</s>
<s>
Physlets	B-Application
are	O
small	O
,	O
flexible	O
Java	B-Language
applets	B-Language
that	O
can	O
be	O
used	O
in	O
the	O
teaching	O
of	O
physics	O
and	O
other	O
sciences	O
.	O
</s>
<s>
Physlets	B-Application
use	O
simple	O
graphics	O
to	O
convey	O
only	O
the	O
salient	O
features	O
of	O
physical	O
phenomena	O
.	O
</s>
<s>
Physlet-based	O
exercises	O
can	O
be	O
used	O
as	O
part	O
of	O
almost	O
any	O
curriculum	O
with	O
almost	O
any	O
teaching	O
style	O
.	O
</s>
<s>
Physlets	B-Application
are	O
created	O
and	O
controlled	O
with	O
JavaScript	B-Language
,	O
meaning	O
that	O
with	O
only	O
24	O
Physlets	B-Application
,	O
there	O
can	O
be	O
hundreds	O
of	O
Physlet-based	O
exercises	O
created	O
.	O
</s>
<s>
Physlets	B-Application
are	O
Web	O
based	O
and	O
run	O
on	O
any	O
platform	O
(	O
Windows	O
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
or	O
Linux	B-Application
)	O
.	O
</s>
<s>
Physlets	B-Application
are	O
free	O
for	O
noncommercial	O
use	O
.	O
</s>
<s>
The	O
Java	B-Language
programs	O
themselves	O
are	O
free	O
and	O
can	O
be	O
downloaded	O
from	O
the	O
ComPADREPhyslet	O
site	O
.	O
</s>
<s>
Physlets	B-Application
were	O
created	O
using	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
,	O
and	O
they	O
were	O
accessed	O
via	O
a	O
web	O
browser	O
as	O
Java	B-Language
applets	B-Language
.	O
</s>
<s>
As	O
"	O
Physlet	B-Application
"	O
is	O
a	O
registered	O
trademark	O
,	O
this	O
word	O
may	O
not	O
be	O
appropriate	O
to	O
name	O
arbitrary	O
Java	B-Language
applet	B-Language
that	O
demonstrates	O
physical	O
laws	O
without	O
approval	O
from	O
the	O
trademark	O
owners	O
.	O
</s>
