News tagged with radio transmitter

Brighter, smaller probes to uncover the secret lives of proteins

(Phys.org) -- Imagine tracking a deer through a forest by clipping a radio transmitter to its ear and monitoring the deer’s location remotely. Now imagine that transmitter is the size of a house, and ...

Nanotechnology / Bio & Medicine

created May 08, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Analyzing energy potential

Sensors, radio transmitters and GPS modules all feature low power consumption. All it takes is a few milliwatts to run them. Energy from the environment - from sources such as light or vibrations - may be enough to meet these ...

Technology / Engineering

created May 04, 2012 | popularity not rated yet | comments 0

Whales' signals reveal retreat from ill-fated oil rig

A technique that monitors whales through the sounds they emit has answered a key issue raised by the explosion of the Deepwater Horizon oil rig in the Gulf of Mexico two years ago this month.

Biology / Plants & Animals

created Apr 06, 2012 | popularity 4.7 / 5 (3) | comments 0

Paint and bombs try to save ships from Titanic fate

We've painted them, tagged them, bombed them, monitored them with radar and watched them from space -- but icebergs like the one that sank the Titanic are still a threat to ships today.

Space & Earth / Earth Sciences

created Apr 06, 2012 | popularity not rated yet | comments 0

A boom in smarter baby monitors

The cry has been heard: After 20 years with little change to baby monitoring devices, new designs premiered in January at the Consumer Electronics Show promising Wi-Fi connectivity and high-definition video that streams live ...

Electronics / Consumer & Gadgets

created Feb 03, 2012 | popularity not rated yet | comments 0

Near-extinct Philippine eagle shot dead

An endangered Philippine eagle, one of only a few hundred left in the world, has been shot dead, a conservation group that had previously rescued the bird said Friday.

Biology / Plants & Animals

created Oct 07, 2011 | popularity 5 / 5 (1) | comments 0

Colugos glide to save time, not energy

Gripping tightly to a tree trunk, at first sight a colugo might be mistaken for a lemur. However, when this animal leaps it launches into a graceful glide, spreading wide the enormous membrane that spans its legs and tail ...

Biology / Plants & Animals

created Jul 28, 2011 | popularity not rated yet | comments 0 | with audio podcast

Researchers remotely tracking threatened turtles and popular pike in Georgian Bay

McMaster researchers are learning about one of Earth's oldest creatures by using some of its newest technology.

Biology / Plants & Animals

created Jul 15, 2011 | popularity not rated yet | comments 0

Gyrfalcons make icebergs home

Back in World War II there was a clever idea to use icebergs as floating aircraft carriers, but now we know birds of prey got there first.

Biology / Plants & Animals

created Jun 23, 2011 | popularity 5 / 5 (1) | comments 0

First self-powered device with wireless data transmission

Scientists are reporting development of the first self-powered nano-device that can transmit data wirelessly over long distances. In a study in ACS's journal Nano Letters, they say it proves the feasibility of a f ...

Nanotechnology / Nanophysics

created Jun 15, 2011 | popularity 5 / 5 (6) | comments 2 | with audio podcast

World's first GaN HEMT T/R module operating in the C-Ku band

Fujitsu Laboratories today announced that it has successfully developed the world's first transmitter/receiver (T/R) module using gallium-nitride (GaN)high electron mobility transistor (HEMT) technology that ...

Technology / Semiconductors

created Jun 06, 2011 | popularity 5 / 5 (2) | comments 0

Researchers show how to use portable devices' built-in motion sensors to improve data rates on wireless networks

For most of the 20th century, the paradigm of wireless communication was a radio station with a single high-power transmitter. As long as you were within 20 miles or so of the transmitter, you could pick up ...

Technology / Computer Sciences

created Apr 12, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

NASA: Mars rover, phone home after yearlong sleep

The prospect of ever hearing from the stuck Mars rover Spirit is fading after it failed to respond to repeated calls from Earth.

Space & Earth / Space Exploration

created Mar 29, 2011 | popularity 2.3 / 5 (18) | comments 6

Auburn's EcoDogs sniffing out endangered species

(PhysOrg.com) -- These dogs seek out animals in the woods, but they aren't your typical hunting dogs. They have been trained to find endangered species so Auburn University researchers can document the location and number ...

Biology / Ecology

created Jun 04, 2010 | popularity 5 / 5 (1) | comments 0

First radio tracking of tropical orchid bees

Blue-green orchid bees zip through increasingly scarce patches of tropical forest pollinating rare flowers. For the first time, researchers at the Smithsonian Tropical Research Institute track unique signals ...

Biology / Plants & Animals

created May 26, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast