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Thursday, 19 August 2010

Explore more Dr Karl on triplej

Charges, cuts and stitches

Duration: 00:38:44; File size: 17MB 832kb Why do rechargeable batteries need to be run fully flat? Plus: why do shaving cuts bleed more than normally?; and what is runner's 'stitch'?
Thursday, 12 August 2010 Subjects: health, exercise-and-fitness, blackholes, energy, physics, weird-and-wonderful, scienceontriplej, drkarl, podcasts

High high in the sky

Duration: 00:36:27; File size: 16MB 763kb What colour is the Sun? Plus: Do your eyes or brain make you colour-blind? Can someone parachuting break the sound barrier? How much light is lost when transmitting through fibre-optic cables?
Thursday, 5 August 2010 Subjects: environment, health, astronomy-space, ecology, energy, neuroscience, weird-and-wonderful, scienceontriplej, drkarl, podcasts

Deodorant dilemmas and adopting diesel

Duration: 00:38:29; File size: 17MB 768kb Is deodorant bad for you and why does it stop you from smelling? If diesel is used in trucks, why is it not used in cars? Can plasma screens accelerate growth in plants?
Thursday, 29 July 2010 Subjects: environment, health, astronomy-space, chemistry, ecology, energy, neuroscience, weird-and-wonderful, scienceontriplej, drkarl

Animal accents and sweet sugar

Duration: 00:38:01; File size: 17MB 459kb Do animals in different countries have different accents? What's the difference between white and brown sugar? If Jupiter is a gas planet, why can we see the impact of meteorites on its surface?
Thursday, 22 July 2010 Subjects: health, exercise-and-fitness, diet-and-nutrition, science-and-technology, animals, astronomy-space, chemistry, energy, physics, weird-and-wonderful

Fluoro tattoos and ultrasonic toothbrushes

Duration: 00:38:48; File size: 17MB 783kb Are there fluorescent ink tattoos that can only be seen under black light? What are ultrasonic toothbrushes and do they work? Why does it get colder as the sun rises?
Thursday, 15 July 2010 Subjects: health, dental, sexual-health, biology, engineering, physics, weird-and-wonderful, alcohol, scienceontriplej, drkarl

Tired eyes and bush fires

Duration: 00:38:11; File size: 8MB 992kb Why do we get bags under our eyes when we are tired? Can you use salt water to put out bush fires? Can second-hand smoke cause heart disease?
Thursday, 8 July 2010 Subjects: bushfire, health, smoking, science-and-technology, biology, botany, neuroscience, physics, weird-and-wonderful, scienceontriplej

Magnetic metals and tattoo theories

Duration: 00:37:07; File size: 16MB 1016kb Why are some metals magnetic and other metals are not? Does tattooed skin act as a barrier for skin cancer? Why isn't Pluto a planet anymore?
Thursday, 1 July 2010 Subjects: exercise-and-fitness, skin-cancer, science-and-technology, astronomy-space, physics, weird-and-wonderful, alcohol, nanotechnology, scienceontriplej, drkarl

Acid rain and light dimmers

Duration: 00:37:28; File size: 17MB 195kb How much acid rain falls in Australia? Does dimming the lights in your house save energy? What is Murphy's Law and where does it come from?
Thursday, 24 June 2010 Subjects: environment, alternative-energy, astronomy-space, planets-and-asteroids, energy, neuroscience, weird-and-wonderful, rainfall, brain-and-nervous-system, scienceontriplej

Shooting star sounds and spider web sparks

Duration: 00:37:16; File size: 17MB 106kb Can you hear a shooting star? Do spider webs conduct electricity? Does the old wives' tale of deaths coming in threes have any scientific basis?
Thursday, 17 June 2010 Subjects: electricity-energy-and-utilities, health, cannabis, science-and-technology, evolution, physics, weird-and-wonderful, invertebrates-insects-and-arachnids, scienceontriplej, drkarl

Slumber senses and remembering dreams

Duration: 00:38:07; File size: 17MB 536kb Does your sense of smell work when you are sleeping? Can you train yourself to remember your dreams? How many alcoholic drinks does it take before you damage your brain cells?
Thursday, 10 June 2010 Subjects: health, animals, biology, evolution, psychology, weird-and-wonderful, sleep, alcohol, scienceontriplej, drkarl

Train your brain and 3D TVs

Duration: 00:33:55; File size: NaNMB NaNkb Can you increase your memory by training your brain? Why do you need glasses to watch 3D TVs? Are our eyeballs fully grown when we are born?
Thursday, 3 June 2010 Subjects: television, cannabis, science-and-technology, astronomy-space, biology, marine-biology, neuroscience, physics, weird-and-wonderful, alcohol

Venomous spider bites and muscle cramp myths

Duration: 00:36:21; File size: 16MB 929kb If you receive antivenom for a spider bite are you immune from future venomous spider bites? Can throat lozenges make your throat worse? What causes muscle cramps?
Thursday, 27 May 2010 Subjects: health, exercise-and-fitness, biology, geology, physics, weird-and-wonderful, sleep, invertebrates-insects-and-arachnids, scienceontriplej, drkarl

Skin burns and burning energy

Duration: 00:37:01; File size: 16MB 1010kb Do you burn more energy walking up or down a hill? Are there any side effects from using too much sunscreen? Is it harder to swim in fresh or salt water?
Thursday, 20 May 2010 Subjects: health, exercise-and-fitness, eyes, biology, weird-and-wonderful, weather, sleep, anatomy, scienceontriplej, drkarl

Energy efficiency and cracking knuckles

Duration: 00:40:07; File size: 18MB 414kb Will a shadow cast on a solar panel reduce its efficiency? Is it possible to harness energy through compost? Which renewable resources are most effective in Australia? Is cracking your knuckles bad for you?
Thursday, 13 May 2010 Subjects: environment, alternative-energy, health, caffeine, evolution, physics, weird-and-wonderful, skin, bones-and-muscles, solar-energy