As the electrons flow through the cell, they generate electricity ... The sun has produced energy for billions of years. Every hour the sun beams more energy onto Earth than it needs to satisfy ...

Laser beams powered by the sun are one small step closer to becoming a reality after researchers received funding to develop the pioneering technology. These lasers could eventually help power ...

Free-space optical communication, or FSO, is an interesting and easy way to transmit signals through ... to narrow-beam LEDs or use filtered photo diodes to block ambient noise from sunlight ...