Document:

[LETTERHEAD OF LASER ENERGETICS, INC.]

THIS NOTE HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED.
MOREOVER, THIS NOTE IS NON-NEGOTIABLE AND, AS SUCH, NON-TRANSFERABLE. REGARDLESS
OF WHETHER THIS NOTE CONTINUES TO BE NON-NEGOTIABLE OR IS AMENDED TO BE
NEGOTIABLE, NO INTEREST IN THIS NOTE MAY BE OFFERED OR SOLD EXCEPT PURSUANT TO
(i) AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS
AMENDED, OR (ii) AN EXEMPTION FROM REGISTRATION UNDER SAID ACT WHERE THE HOLDER
HAS FURNISHED TO THE COMPANY AN OPINION OF ITS COUNSEL REASONABLY SATISFACTORY
TO THE COMPANY THAT AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT IS AVAILABLE.

                             LASER ENERGETICS, INC.

                       NON-NEGOTIABLE 15% PROMISSORY NOTE

$40,000                                                  As of August 13, 1999
                                                         Mercerville, New Jersey

      FOR VALUE RECEIVED, the undersigned, Laser Energetics, Inc., a Florida
corporation (the "Payor"), having its executive office and principal place of
business at 4044 Quaker Bridge Road, Mercerville, New Jersey 08619, hereby
promises to pay to Sidney Dworkin (the "Payee"), on the sooner of (i) June 30,
2001 or (ii) the date of closing of an initial public offering of Common Stock
by the Payor (the "Maturity Date"), at the Payee's address as indicated by the
records of the Payor or, at such other place as the Payee shall hereafter
specify in writing, the principal sum of Forty Thousand Dollars ($40,000.00), in
such coin or currency of the United States of America as at the time shall be
legal tender for the payment of public and private debts.

      1. Interest and Payment.

            1.1. The unpaid principal amount hereof shall bear simple interest
from the date hereof at the rate of 15% per annum until the Maturity Date (or
until any such earlier date of payment if this Note is prepaid as hereinafter
provided).

            1.2. Interest shall be payable on the Maturity Date.

            1.3. In no event shall the Payee be entitled to receive interest,
however characterized and including other consideration received in connection
with this Note, at an effective rate in excess of the maximum rate permitted by
law. In the event that a court of competent jurisdiction shall determine that
such amounts paid or agreed to be paid by the Payor in connection with this Note
causes the effective interest rate on this Note to exceed the maximum rate
permitted by law, such interest or other consideration shall automatically be

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reduced to a rate which results in an effective interest rate under this Note
equal to the maximum rate permitted by law over the term hereof, and, in such
event, the Payee shall either apply to the reduction of the unpaid principal
balance of this Note any amounts received by it deemed to constitute excessive
interest or refund such excess to Payor.

      2. Replacement of Note.

            2.1 In case this Note is mutilated, destroyed, lost or stolen, the
Payor shall, at its sole expense, execute, register and deliver, a new Note, in
exchange and substitution for this Note, if mutilated, or in lieu of and
substitution for this Note, if destroyed, lost or stolen. In the case of
destruction, loss or theft, the Payee shall furnish to the Payor indemnity
reasonably satisfactory to the Payor, and in the case of mutilation, the Payee
shall also furnish to the Payor evidence to its reasonable satisfaction of the
mutilation, destruction, loss or theft of this Note and of the ownership
thereof. Any replacement Note so issued shall be in the same outstanding
principal amount as this Note and dated the date to which interest shall have
been paid on this Note, or if no interest shall have yet been paid, dated the
date of this Note.

            2.2. Every Note issued pursuant to the provisions of Section 2.1
hereof in substitution for this Note shall constitute an additional contractual
obligation of the Payor, whether or not this Note shall be found at any time, or
be enforceable by anyone.

      3. Prepayment. At the option of the Payor, this Note may be prepaid in
whole at any time, or in part from time to time, without penalty or premium.
Each partial prepayment of this Note shall first be applied to interest accrued
through the date of prepayment and then to principal.

      4. Events of Default. If any of the following conditions events or acts
shall occur:

            4.1. The dissolution of the Payor or any vote in favor thereof by
the Board of Directors and shareholders of the Company; or

            4.2. The Payor's insolvency, assignment for the benefit of
creditors, application for or appointment of a receiver, filing of a voluntary
or involuntary petition under any provision of the Federal Bankruptcy Code or
amendments thereto or any other federal or state statute affording relief to
debtors; or there shall be commenced against the Payor any such proceeding or
filed against the Payor any such application or petition which proceeding,
application or petition is not dismissed or withdrawn within thirty (30) days of
commencement or filing as the case may be; or

            4.3. The failure by the Payor to make any payment of any amount of
principal on, or accrued interest under, this Note, which failure shall continue
for a period of five (5) days, as and when the same shall become due and
payable; or

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            4.4. The admission in writing of the Payor's inability to pay its
debts as they mature.

      5. Suits for Enforcement and Remedies. If any one or more defaults shall
occur and be continuing, the Payee may proceed to protect and enforce such
Payee's rights either by suit in equity or by action at law, or both, whether
for the specific performance of any covenant, condition or agreement contained
in this Note or in any agreement or document referred to herein or in aid of the
exercise of any power granted in this Note or in any agreement or document
referred to herein, or proceed to enforce the payment of this Note or to enforce
any other legal or equitable right of the Payee of this Note. No right or remedy
herein or in any other agreement or instrument conferred upon the holder of this
Note is intended to be exclusive of any other right or remedy, and each and
every such right or remedy shall be cumulative and shall be in addition to every
other right and remedy given hereunder or now or hereafter existing at law or in
equity or by statute or otherwise.

      6. Unconditional Obligation; Fees, Waivers. Other.

            6.1. The obligations to make the payments provided for in this Note
are absolute and unconditional and not subject to any defense, set-off,
counterclaim, rescission, recoupment or adjustment whatsoever.

            6.2. If the Payee shall institute any action to enforce the
collection of any amount of principal of and/or interest on this Note, there
shall be immediately due and payable from the Payor, in addition to the then
unpaid sum of this Note, all reasonable costs and expenses incurred by the Payee
in connection therewith, including, without limitation, reasonable attorneys'
fees and disbursements, except in the event the action by Payee is not
meritorious.

            6.3. No forbearance, indulgence, delay or failure to exercise any
right or remedy with respect to this Note shall operate as a waiver, nor as an
acquiescence in any default, nor shall any single or partial exercise of any
right or remedy preclude any other or further exercise thereof or the exercise
of any other right or remedy.

            6.4. This Note may not be modified except by a writing duly executed
by the Payor and the Payee.

            6.5. The Payor hereby expressly waives demand and presentment for
payment, notice of nonpayment, notice of dishonor, protest, notice of protest,
bringing of suit, and diligence in taking any action to collect amounts called
for hereunder, and shall be directly and primarily liable for the payment of all
sums owing and to be owing herein, regardless of and without any notice,
diligence, act or omission with respect to the collection of any amount called
for hereunder or in connection with any right, lien, interest or property at any
and all times which the Payee had or is existing as security for any amount
called for hereunder.

            6.6. The Payor shall bear all of its expenses, including attorneys'
fees incurred in connection with the preparation of this Note.

                                                                         /s/ RDB

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      7. Restriction on Transfer. By its acceptance of this Note, the Payee
acknowledges that this Note is non-negotiable and, as such, non-transferable and
has not been registered under the securities laws of the United States of
America or any state thereof and represents that this Note has been acquired for
investment and, even if subsequently amended to be negotiable, no interest in
this Note may be offered for sale, sold, delivered after sale, transferred,
pledged, or hypothecated in the absence of registration and qualification of
this Note under applicable federal and state securities laws or an opinion of
counsel of the Payee reasonably satisfactory to the Payor that such registration
and qualification are not required.

      8. Initial Public Offering. The Payor agrees that the Payee shall have the
right to subscribe for a minimum of such number of shares as may be purchased at
the initial public offering price using the proceeds of the principal and
interest due on the Maturity Date under this Note. The Payor will use its best
efforts to make available such additional shares as may be requested by the
Payee.

      9. Miscellaneous.

            9.1. The headings of the various paragraphs of this Note are for
convenience of reference only and shall in no way modify any of the terms or
provisions of this Note.

            9.2. All notices required or permitted to be given hereunder shall
be in writing and shall be deemed to have been duly given when personally
delivered or three (3) days after being sent by registered or certified mail,
return receipt requested, postage prepaid, to the address of the intended
recipient as indicated by the records of the Payor or at such other address as
the intended recipient shall have hereafter given to the other party hereto
pursuant to the provisions hereof.

            9.3. This Note and the obligations of the Payor and the rights of
the Payee shall be governed by and construed in accordance with the laws of the
State of New Jersey with respect to contracts made and to be fully performed
therein.

            9.4. This Note shall bind the Payor and its successors and assigns.

                                                        LASER ENERGETICS, INC.

                                                        By: /s/ Robert D. Battis
                                                            --------------------
                                                            Robert D. Battis

                                       4[LETTERHEAD OF LASER ENERGETICS, INC.]

THIS NOTE HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED.
MOREOVER, THIS NOTE IS NON-NEGOTIABLE AND, AS SUCH, NON-TRANSFERABLE. REGARDLESS
OF WHETHER THIS NOTE CONTINUES TO BE NON-NEGOTIABLE OR IS AMENDED TO BE
NEGOTIABLE, NO INTEREST IN THIS NOTE MAY BE OFFERED OR SOLD EXCEPT PURSUANT TO
(i) AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS
AMENDED, OR (ii) AN EXEMPTION FROM REGISTRATION UNDER SAID ACT WHERE THE HOLDER
HAS FURNISHED TO THE COMPANY AN OPINION OF ITS COUNSEL REASONABLY SATISFACTORY
TO THE COMPANY THAT AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT IS AVAILABLE.

                             LASER ENERGETICS, INC.

                       NON-NEGOTIABLE 15% PROMISSORY NOTE

$30,000.00                                               As of Sept 14, 1999
                                                         Mercerville, New Jersey

      FOR VALUE RECEIVED, the undersigned, Laser Energetics, Inc., a Florida
corporation (the "Payor"), having its executive office and principal place of
business at 4044 Quaker Bridge Road, Mercerville, New Jersey 08619, hereby
promises to pay to Sidney Dworkin (the "Payee"), on January 1, 2001 at the
Payee's address as indicated by the records of the Payor or, at such other place
as the Payee shall hereafter specify in writing, the principal sum of Thirty
Thousand Dollars ($30,000.00), in such coin or currency of the United States of
America as at the time shall be legal tender for the payment of public and
private debts.

      1. Interest and Payment.

            1.1. The unpaid principal amount hereof shall bear simple interest
from the date hereof at the rate of 15% per annum until the Maturity Date (or
until any such earlier date of payment if this Note is prepaid as hereinafter
provided).

            1.2. Interest shall be payable on the Maturity Date.

            1.3. In no event shall the Payee be entitled to receive interest,
however characterized and including other consideration received in connection
with this Note, at an effective rate in excess of the maximum rate permitted by
law. In the event that a court of competent jurisdiction shall determine that
such amounts paid or agreed to be paid by the Payor in connection with this Note
causes the effective interest rate on this Note to exceed the maximum rate
permitted by law, such interest or other consideration shall automatically be
reduced to a rate which results in an effective interest rate under this Note
equal to the maximum rate permitted by law over the term hereof, and, in such
event, the Payee shall either apply to the

                                                                         /s/ RDB

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reduction of the unpaid principal balance of this Note any amounts received by
it deemed to constitute excessive interest or refund such excess to Payor.

      2. Replacement of Note.

            2.1 In case this Note is mutilated, destroyed, lost or stolen, the
Payor shall, at its sole expense, execute, register and deliver, a new Note, in
exchange and substitution for this Note, if mutilated, or in lieu of and
substitution for this Note, if destroyed, lost or stolen. In the case of
destruction, loss or theft, the Payee shall furnish to the Payor indemnity
reasonably satisfactory to the Payor, and in the case of mutilation, the Payee
shall also furnish to the Payor evidence to its reasonable satisfaction of the
mutilation, destruction, loss or theft of this Note and of the ownership
thereof. Any replacement Note so issued shall be in the same outstanding
principal amount as this Note and dated the date to which interest shall have
been paid on this Note, or if no interest shall have yet been paid, dated the
date of this Note.

            2.2. Every Note issued pursuant to the provisions of Section 2.1
hereof in substitution for this Note shall constitute an additional contractual
obligation of the Payor, whether or not this Note shall be found at any time, or
be enforceable by anyone.

      3. Prepayment. At the option of the Payor, this Note may be prepaid in
whole at any time, or in part from time to time, without penalty or premium.
Each partial prepayment of this Note shall first be applied to interest accrued
through the date of prepayment and then to principal.

      4. Events of Default. If any of the following conditions events or acts
shall occur:

            4.1. The dissolution of the Payor or any vote in favor thereof by
the Board of Directors and shareholders of the Company; or

            4.2. Upon the appointment of a trustee, receiver or custodian of all
or any part of the properties or assets of the Payor; upon an assignment for the
benefit of creditors by, the calling of a meeting of creditors of, or the
commencement of any proceeding under any bankruptcy laws of any state or of the
United States by the Payor, or the commencement of any proceeding under any
bankruptcy laws of any state or of the United States against the Payor.

            4.3. The failure by the Payor to make any payment of any amount of
principal on, or accrued interest under, this Note, which failure shall continue
for a period of five (5) days, as and when the same shall become due and
payable; or

            4.4. The admission in writing of the Payor's inability to pay its
debts as they mature.

      5. Suits for Enforcement and Remedies. If any one or more defaults shall
occur and be continuing, the Payee may proceed to protect and enforce such
Payee's rights either

                                                                         /s/ RDB

                                        2
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by suit in equity or by action at law, or both, whether for the specific
performance of any covenant, condition or agreement contained in this Note or in
any agreement or document referred to herein or in aid of the exercise of any
power granted in this Note or in any agreement or document referred to herein,
or proceed to enforce the payment of this Note or to enforce any other legal or
equitable right of the Payee of this Note. No right or remedy herein or in any
other agreement or instrument conferred upon the holder of this Note is intended
to be exclusive of any other right or remedy, and each and every such right or
remedy shall be cumulative and shall be in addition to every other right and
remedy given hereunder or now or hereafter existing at law or in equity or by
statute or otherwise.

      6. Unconditional Obligation; Fees, Waivers. Other.

            6.1. The obligations to make the payments provided for in this Note
are absolute and unconditional and not subject to any defense, set-off,
counterclaim, rescission, recoupment or adjustment whatsoever.

            6.2. If the Payee shall institute any action to enforce the
collection of any amount of principal of and/or interest on this Note, there
shall be immediately due and payable from the Payor, in addition to the then
unpaid sum of this Note, all reasonable costs and expenses incurred by the Payee
in connection therewith, including, without limitation, reasonable attorneys'
fees and disbursements, except in the event the action by Payee is not
meritorious.

            6.3. No forbearance, indulgence, delay or failure to exercise any
right or remedy with respect to this Note shall operate as a waiver, nor as an
acquiescence in any default, nor shall any single or partial exercise of any
right or remedy preclude any other or further exercise thereof or the exercise
of any other right or remedy.

            6.4. This Note may not be modified except by a writing duly executed
by the Payor and the Payee.

            6.5. The Payor hereby expressly waives demand and presentment for
payment, notice of nonpayment, notice of dishonor, protest, notice of protest,
bringing of suit, and diligence in taking any action to collect amounts called
for hereunder, and shall be directly and primarily liable for the payment of all
sums owing and to be owing herein, regardless of and without any notice,
diligence, act or omission with respect to the collection of any amount called
for hereunder or in connection with any right, lien, interest or property at any
and all times which the Payee had or is existing as security for any amount
called for hereunder.

            6.6. The Payor shall bear all of its expenses, including attorneys'
fees incurred in connection with the preparation of this Note.

      7. Restriction on Transfer. By its acceptance of this Note, the Payee
acknowledges that this Note is non-negotiable and, as such, non-transferable and
has not been registered under the securities laws of the United States of
America or any state thereof and represents that this Note has been acquired for
investment and, even if subsequently amended to

                                                                         /s/ RDB

                                        3
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                                                                      [LOGO](TM)

be negotiable, no interest in this Note may be offered for sale, sold, delivered
after sale, transferred, pledged, or hypothecated in the absence of registration
and qualification of this Note under applicable federal and state securities
laws or an opinion of counsel of the Payee reasonably satisfactory to the Payor
that such registration and qualification are not required.

      8. Initial Public Offering. The Payor agrees that the Payee shall have the
right to subscribe for a minimum of such number of shares as may be purchased at
the initial public offering price using the proceeds of the principal and
interest due on the Maturity Date under this Note. The Payor will use its best
efforts to make available such additional shares as may be requested by the
Payee.

      9. Miscellaneous.

            9.1. The headings of the various paragraphs of this Note are for
convenience of reference only and shall in no way modify any of the terms or
provisions of this Note.

            9.2. All notices required or permitted to be given hereunder shall
be in writing and shall be deemed to have been duly given when personally
delivered or three (3) days after being sent by registered or certified mail,
return receipt requested, postage prepaid, to the address of the intended
recipient as indicated by the records of the Payor or at such other address as
the intended recipient shall have hereafter given to the other party hereto
pursuant to the provisions hereof.

            9.3. This Note and the obligations of the Payor and the rights of
the Payee shall be governed by and construed in accordance with the laws of the
State of New Jersey with respect to contracts made and to be fully performed
therein.

            9.4. This Note shall bind the Payor and its successors and assigns.

                                                        LASER ENERGETICS, INC.

                                                        By: /s/ Robert D. Battis
                                                            --------------------
                                                            Robert D. Battis

                                       4

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