Monday, 09 December, 2019
The DIYer's Combo Deal - Save $9.90
WP_Post Object ( [ID] => 3388 [post_author] => 638 [post_date] => 2018-04-01 17:09:40 [post_date_gmt] => 2018-04-01 07:09:40 [post_content] => Three essential tools for every handyman or woman. Includes our magnetic WristBuddy, an extendable, flexible magnetic flashlight and our three function COB headlamp!

1 - Magnetic WristBuddy:

The magnetic WristBuddy keeps everything within easy reach whether you’re under the hood, squeezing into a bathroom cabinet, up a ladder or just nailing a few 4×2’s together! Designed to hold lots of screws, nails, nuts and washers, the magnets are amply strong enough to also hold drill bits, hex keys, bolts, screwdrivers and even spanners. Made from extremely durable 1680D Oxford cloth, your WristBuddy will be with you for years to come.

2 - Magnetic, Extendable, Flexible Flashlight

  The perfect tool for finding that lost screw that rolled under your workbench or the pins that dropped onto the carpet! This bright, COB LED flashlight extends to a full 60cm (2ft), has a flexible neck and a strong magnet in the lens surround. It's also a wonderful aid for anyone with bad knees.

3 - Three Function COB LED Headlamp

How often have you wished for better lighting while doing a job? All you needed was a third hand with a flashlight, right? This tough, fully adjustable headlamp uses the latest Chip On Board LED technology for maximum performance. Set it for bright, normal or strobe function with a click of the switch. Weighing just 65 grams (2.25 oz), including the three AAA batteries, our headlamp can be worn hour after hour. And because it's both shock and water resistant, it's great for camping and fishing as well as in the home and workshop.

Special offer:

Bought separately, these three items are currently selling for a combined total of $27.40. For this week only, we have packaged all three for just $17.50 including free delivery. Please note that there is a limit of three combo packs per customer. [add_to_cart id="3388"]   [post_title] => The DIYer's Combo Deal [post_excerpt] => Three essential tools for every handyman or woman. Includes our magnetic WristBuddy, an extendable, flexible magnetic flashlight and our high-powered COB headlamp! The perfect gift for any DIYer! Maximum of three combo packs per customer. [post_status] => publish [comment_status] => open [ping_status] => closed [post_password] => [post_name] => the-diyers-combo-deal [to_ping] => [pinged] => [post_modified] => 2019-03-11 00:01:10 [post_modified_gmt] => 2019-03-11 00:01:10 [post_content_filtered] => [post_parent] => 0 [guid] => http://deals.thediy.market/?post_type=product&p=3388 [menu_order] => 0 [post_type] => product [post_mime_type] => [comment_count] => 11 [filter] => raw )
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Robot Contact Lens Switches Focus When You Blink

Robot Contact Lens Switches Focus When You Blink

Last Updated on

Researchers in California have made a contact lens that automatically zooms and switches focus between near or far objects.

Created by scientists from the University of San Diego, the lenses use natural electric signals in the human eyeball to switch focus.  

The team discovered that the electrical potential between the front and back of the human eye changes when the eye is closed. This key observation prompted an innovation that some suggest is a breakthrough not only in medicine, but also in robotics.

“Even if your eye cannot see anything, many people can still move their eyeball and generate this electro-oculographic signal,” says lead researcher Shengqiang Cai.

Researchers in California have created a contact lens that automatically switches focus.
Electricity generated by the human eye makes the lens zoom and switch focus between near or far objects . (Illustration: Intographics from Pixabay)

“Proof of Concept”

The researchers used the discovery to construct lenses that would respond to the changes. The “biomimetic soft lens” is essentially a thin sack of salt water. Electric signals from the eye cause the polymer casing to curve outward or retract, depending on voltage. This allows the lens to zoom in or zoom out – much like a camera.

The researchers programmed the robotic lens to zoom in when the eye blinks twice. Another two blinks and the lens zooms back out.

The lens will still require years of work before it can serve its intended function. For now, the prototype only functions with a special rig, which the researchers built as “proof of concept.”

The researchers hope doctors will one day use the lens for visual prostheses, among other things.

“The system developed in our study has the potential to be used in visual prostheses, adjustable glasses, and remotely operated robotics in the future,” the team writes.

"The system developed in our study has the potential to be used in  robotics."
Shengqiang and his colleagues believe the principles they have formulated can one day revolutionize the way humans interact with robots. (Illustration: Gerald Altman from Pixabay)

From Double Click to Double Blink

Shengqiang and his colleagues claim scientists can one day use the results of their study as a model to visualize physiological principles. This might be significant in medicine and biology, the team asserts.

Other research into the subject suggests micro-sensors embedded in the body could monitor bodily functions. This could prove significant in measuring blood sugar levels and blood pressure, among others.

They could even help treat conditions such as epilepsy, Parkinson’s disease, and other medical conditions, say some researchers.

Previous human-machine interfaces involved interactions between humans and conventional “hard machines” such as cars, smart phones, and robots. 

In recent years, scientists have developed a variety of “soft robots” and “soft machines.”

Soft materials, such as hydrogels and elastomers, can deform dramatically in response to stimulus. This deformation allows most of their functions.

Shengqiang and his colleagues have formulated theories on the interplay of mechanics, electricity, and chemistry in soft materials, as well.

There has been increasing research into the interaction between human beings and machines or robots. Critics have warned there is bound to be trouble when the curves of artificial intelligence, biology, and robotics converge.

What do you think?

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