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The Pentagon has a laser that identifies people by their heartbeat

Biometric identification has become part of everyday life. We’ve got facial recognition in airports, cars that can be unlocked just by looking at them, technology that detects a person’s unique way of walking, and of course the ubiquitous fingerprint, used… Continue Reading →

Laser detects tumor cells in bloodstream, potentially improving melanoma screening and treatment

Tumors release cells into the blood that can reveal that the cancer is growing and spreading to other parts of the body. Now, researchers have shown they can train a laser device on the hand of a skin cancer patient… Continue Reading →

Deformation monitoring of bridge structures with a profile scanner

Since engineering structures are often systems that are capable of vibration and the predominant part of all load factors has a dynamic character, the focus of corresponding monitoring measurements is set on the collection of temporally variable structural deformations. Until… Continue Reading →

Anti-laser is the perfect light absorber

Lasers are perfect source of light, however, scientists have reversed this concept and made them the perfect light absorber, what they call an anti-laser. When lasers are provided with energy, they generate light of a specific color, now a team… Continue Reading →

Amazing Alcatraz discovery: Lasers reveal long-hidden military tunnel and fortifications

Archaeologists have harnessed radar and laser scanning technology to reveal a long-hidden military tunnel and fortifications beneath Alcatraz. Prior to becoming the site of the infamous high-security prison, Alcatraz Island was home to a 19th-century coastal fortification, known as the… Continue Reading →

Geothermal drilling: High-power laser weakens and fractures hard rock

Geothermal heat is a renewable energy source, low in emissions and capable of assuming part of the base load in the energy mix. When drilling deep into the earth’s crust, the temperature rises by an average of about three degrees… Continue Reading →

Visible Laser to Study Semiconductor Properties

Thu, 01/17/2019 – 3:00pm by Ben Brumfield, Georgia Tech LED lights and monitors, and quality solar panels were born of a revolution in semiconductors that efficiently convert energy to light or vice versa. Now, next-generation semiconducting materials are on the… Continue Reading →

Lasers could help us attract aliens, MIT study suggests

Researchers at the Massachusetts Institute of Technology suggest laser technology could act like a porch light for Earth to attract aliens — if they exist. A study published in The Astrophysical Journal said creating a 1- to 2-megawatt laser focused through… Continue Reading →

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