You can see invisible electric field - if you use "Electric Field". It is an excellent tool forvisualizing electric field and equipotential lines. Visibility of field line and potential surface depends on their magnitude.
... in lights of of on one the the the the the up your fields. Then you move the mouse pointer onto this field and click at it. Now a second field lights up - naturally it can be the same field again. Attention: First you click on the field, that has lit up at first, and then on the field, which flashed as second. It shines...
... objective of of of sharp. special the tracks «laying» field in four corners of a game field up to a special crate of a field in central area of a field.
Dynamic game. The purpose of game ClearDnU is the clearing of a game field from dropping from above, multi-coloured blocks is faster, than the field will be filled in.