Interesting Engineering on MSN13d
Scientists create magnetic device to capture electricity from Earth’s rotational dynamics
A wild idea has been proposed to generate electric power from Earth’s rotation with the help of magnetic fields. A new ...
PBS12y
When Compasses Point South
Even the weakening currently under way may be a false alarm. The field often gets very weak, then bounces back, never having flipped. As Ron Merrill, a magnetic-field specialist at the University ...
SourceSecurity14y
Honeywell new wireless DUAL TEC® motion sensor helps reduce false alarms and can lead to lower intervention costs
A key addition to Honeywell's wireless sensor range for its G2 and Galaxy® Dimension ranges, the new DT8M DUAL TEC® motion sensor combines its proven K-band microwave technology with our powerful ...